space Studies
italian
english
space Sources Dates Indices Topics1 Topics2 Reference Texts


WordsinVERNACULARtexts


WordsinLATINtexts


A-B


C-D


E-F


G-H


I-J


K-L


M-N


O-P


Q-R

S-T


U-V


W-X


Y-Z


0-9


OTHER


Listoforiginaltitles

A1-150  A151-300  A301-450  A451-600  A601-750  A751-900  A901-1050  A1051-1200  1201-1350 A1351-1500  A1501-1650  A1651-1764 


Previous
quattuor
Next
 

sort
Document

sort
Date

sorted
Summary

sort
Context of query
o0201083.071vd 1423 dicembre 9 Payment to sand diggers for earth removed. Text: socii renaiuolo libras quattuor soldos quattuor denarios
o0201083.071vd 1423 dicembre 9 Payment to sand diggers for earth removed. Text: libras quattuor soldos quattuor denarios quattuor pro
o0201083.071vd 1423 dicembre 9 Payment to sand diggers for earth removed. Text: soldos quattuor denarios quattuor pro terra per
o0201079.065c 1421 luglio 10 Payment to sawyers for sawing five beech trees for boards for the scaffolding. Text: soldum unum denarios quattuor f.p. l. VIII
o0201079.091b 1421 dicembre 5 Payment to stationer. Text: quantitatis, libras settuaginta quattuor soldos decem otto
o0201077.069f 1420 giugno 15 Payment to stonecutter for work on the tabernacle of the Pandects. Text: soldos undecim denarios quattuor f.p. s. XI
o0201079.066b 1421 luglio 10 Payment to suppliers of marble for expenditures made in conveying from Pisa to Florence 4 pieces of marble for the oculus of the third tribune. Text: Florentie in conducendo quattuor pezia marmoris pro
o0201079.066b 1421 luglio 10 Payment to suppliers of marble for expenditures made in conveying from Pisa to Florence 4 pieces of marble for the oculus of the third tribune. Text: tribunette libras quadraginta quattuor soldos quindecim f.p.
o0201070b.026a 1417 giugno 30 Payment to the ex treasurer of the new gabelles for petty expenses. Text: quinque auri libras quattuor et soldos sexdecim
o0201070b.026a 1417 giugno 30 Payment to the ex treasurer of the new gabelles for petty expenses. Text: regulatorum libras viginti quattuor et soldos quattuor
o0201070b.026a 1417 giugno 30 Payment to the ex treasurer of the new gabelles for petty expenses. Text: quattuor et soldos quattuor f.p. et pro
o0201070b.026a 1417 giugno 30 Payment to the ex treasurer of the new gabelles for petty expenses. Text: summam libras viginti quattuor soldos quinque et
o0201079.078a 1421 novembre 5 Payment to the guard for having lumber towed from the forest. Text: mandatarii operariorum libras quattuor soldos sex f.p.
o0201075.048ve 1419 aprile 28 Payment to the servants of the Commune for work at Santa Maria Novella. Text: de causa libras quattuor f.p. l. 4
o0201079.091va 1421 dicembre 9 Payment to unskilled worker to empty a quarry of water. Text: ea existente libras quattuor et soldos quinque
o0201084.041vc 1423/4 gennaio 10 Payment to workers for demolition of wall in the chiasso dei Buoi. Text: in totum libras quattuor soldos sex l.
o0201083.069g 1423 settembre 24 Payment to workers for having sprinkled the wall of the cupola in summer. Text: inter anbos libras quattuor soldos duos denarios
o0202001.213a 1434 aprile 4 Permission to a stonecutter to work outside the Opera. Text: aretini tribus vel quattuor mensibus proxime futuris;
o0202001.120vc 1429/30 gennaio 9 Permission to master to work outside the Opera. Text: pro tribus vel quattuor diebus.
o0202001.124b 1429/30 marzo 15 Permission to masters to work outside the Opera. Text: et usque in quattuor magistros pro vice
o0202001.231vf 1435 aprile 27 Permission to masters to work outside the Opera. Text: Item deliberaverunt quod quattuor magistri Opere possint
o0202001.235m 1435 giugno 1 Permission to masters to work outside the Opera. Text: servandis deliberaverunt quod quattuor magistri possint sine
o0202001.240f 1435 agosto 25 Permission to masters to work outside the Opera. Title: Licentia quattuor magistrorum
o0201076.013b 1419 settembre 4 Permission to work outside the Opera to a master. Text: magistris Operis pro quattuor diebus et quod
o0202001.041g 1426 settembre 24 Permit to Brunelleschi to work outside the Opera for four days. Text: ser Brunelleschi pro quattuor diebus in servitium
o0202001.054ve 1427 aprile 2 Permit to leave work and loan of a rope to Brunelleschi. Text: Brunelleschi pro diebus quattuor proxime futuris ad
o0202001.071ve 1427 novembre 5 Permit to master to work outside the Opera. Text: magistrum Opere pro quattuor diebus, quem nominaverit
o0202001.193vf 1432 dicembre 18 Price fixed for lumber sold to the Sapienza. Text: ad rationem librarum quattuor et soldorum decem
o0202001.193vf 1432 dicembre 18 Price fixed for lumber sold to the Sapienza. Text: in summam librarum quattuor et soldorum decem
o0202001.048va 1426 dicembre 30 Price of all kinds of bricks. Text: angulorum libras viginti quattuor soldos otto denarios
o0202001.228vn 1434/5 marzo 18 Price set for handcart loads of earth and other material conveyed to Santa Maria Novella. Text: duorum et denariorum quattuor pro qualibet carrettata.
o0201079.029vb 1421 ottobre 4 Price set for stones quarried under contract and termination of agreement before term. Text: presentibus omnibus dictis quattuor conductoribus et predictis
o0202001.248i 1435/6 febbraio 8 Price set for transport of marble and freight of a rope from Pisa to Signa and relative allocation of funds. Text: ad rationem librarum quattuor pro nolo dicti
o0202001.230d 1435 aprile 11 Price set for transport with oxen of a stone slab to cast the pipes of the new organs. Text: ad rationem librarum quattuor pro quolibet pari
o0202001.052va 1426/7 febbraio 28 Prices for various work done by the stonecutters of Lastra. Text: qua posta sunt quattuor lapides a bottaccio
o0202001.052va 1426/7 febbraio 28 Prices for various work done by the stonecutters of Lastra. Text: duas et soldos quattuor f.p.; pro quolibet
o0202001.049ve 1426/7 gennaio 28 Pricing of lumber in the presence of an emissary of the Commune of Castagno. Text: pro quolibet trayno quattuor traynorum pro quolibet
o0202001.049ve 1426/7 gennaio 28 Pricing of lumber in the presence of an emissary of the Commune of Castagno. Text: traynorum usque in quattuor longitudinis blachiorum usque
o0202001.045vi 1426 novembre 14 Pricing of various hardware for doors and walls of Malmantile. Text: soldos tres denarios quattuor f.p. s. III
o0202001.045vi 1426 novembre 14 Pricing of various hardware for doors and walls of Malmantile. Text: soldos tres denarios quattuor f.p. s. III
o0202001.045vi 1426 novembre 14 Pricing of various hardware for doors and walls of Malmantile. Text: soldos tres denarios quattuor f.p. s. III
o0202001.012vc 1425 ottobre 31 Prohibition to demand payment, cancellation of debt and restitution of pawns. Text: Opere in libris quattuor et soldis otto
o0201077.018vf 1419/20 febbraio 9 Prohibition to make decisions harmful of rights and interests of the Opera without consent and vote of the Signori and collegi (of Florence). Text: minus per triginta quattuor fabas nigras; et
o0201086.025vb 1425 giugno 28 Prohibition to pay salary to Lorenzo di Bartoluccio, notwithstanding his election. Text: comsules, operarios et quattuor offitiales cupole dicte
o0202001.057va 1427 aprile 9 Prohibition to pay the masters who cheated the Opera long ago in the excavation entrusted to them of the walls of the keep of Castellina. Text: et in fundo quattuor brachia pro pretio
o0202001.175vb 1429 settembre 22 Prohibition to (sculptor) to begin the marble figure commissioned to him. Text: figure marmoree altitudinis quattuor blachiorum ad faciendum
o0201074.008d 1418 agosto 12 Promise of payment for forced loans and release of arrested person. Text: est captus pro quattuor prestantiis quas solvere
o0201074.008va 1418 agosto 12 Promise of payment for forced loans and release of the arrested person. Text: de solvendo alias quattuor infra quattuor menses
o0201074.008va 1418 agosto 12 Promise of payment for forced loans and release of the arrested person. Text: alias quattuor infra quattuor menses proxime futuros
o0201074.051a 1418 settembre 23 Promise of payment for pardons of forced loans with guaranty. Text: solutionem facere in quattuor pagis, videlicet de
o0201079.036a 1421 ottobre 27 Purchase of geese. Text: Opere ac etiam quattuor officialibus super cupola
o0201086.030vb 1424/5 marzo 2 Ratification of the cupola officials for contract for transport of white marble. Text: Michaelis de Vellutis quattuor offitiales cupole magne
o0201086.030va 1424/5 febbraio 12 Ratification of the wardens on contract for transport of white marble. Text: unum ex numero quattuor offitialium magne cupole
o0202001.217vf 1434 giugno 9 Recompense of the contribution of a canon for a stable, now destroyed, through work on his house and cancellation of a debt. Text: quantitas florenorum auri quattuor, retenta per operarios
o0201082.022a 1423 giugno 18 Reduction of tare on marble for the cornice of the cupola. Text: summam librarum triginta quattuor et non plus
o0201074.002vc 1418 luglio 8 Reduction of the commission to the notary of testaments. Text: suo labore soldos quattuor pro qualibet libra,
o0201074.002vc 1418 luglio 8 Reduction of the commission to the notary of testaments. Text: quod summam soldorum quattuor pro qualibet libra
o0201082.002c 1422/3 gennaio 18 Reduction of the number of the workers. Text: totum remaneant triginta quattuor et non plus,
o0202001.100c 1428/9 gennaio 28 Reduction of the price of resale of towloads of lumber, to brink it in line with that applied by the master carpenters. Title: ad rationem librarum quattuor et soldorum decem
o0202001.100c 1428/9 gennaio 28 Reduction of the price of resale of towloads of lumber, to brink it in line with that applied by the master carpenters. Text: pro pretio librarum quattuor et soldorum quinque
o0202001.100c 1428/9 gennaio 28 Reduction of the price of resale of towloads of lumber, to brink it in line with that applied by the master carpenters. Text: ad rationem librarum quattuor et soldorum decem
o0201076.006c 1419 luglio 19 Registration of contract for roof struts for Santa Maria Novella in the name of a sole carpenter, with obligation to pay his partner daily wages. Text: Item quod locatio quattuor cavallectorum quos fecit
o0202001.217f 1434 maggio 28 Rehiring of workers after supplying stones. Text: ad laboradum sexaginta quattuor lapides, pro salario
o0202001.002ve 1425 luglio 3 Reimbursement to (sculptor) of the price of purchase and expenditures for transport of white marble. Text: florenos auri triginta quattuor pro pretio cuiusdam
o0202001.002ve 1425 luglio 3 Reimbursement to (sculptor) of the price of purchase and expenditures for transport of white marble. Text: marmoris albi blachiorum quattuor quod dictus Bernardus
o0202001.002ve 1425 luglio 3 Reimbursement to (sculptor) of the price of purchase and expenditures for transport of white marble. Text: florenos auri triginta quattuor ut fuit declaratum
o0201080.071d 1422 maggio 13 Reimbursement to stonecutter for gabelle on 144 towloads of fir lumber. Text: totum libras ottuaginta quattuor f.p. l. LXXXIIII
o0201074.037c 1418 settembre 23 Reimbursement to the purchaser for purchase of flat bricks not delivered. Text: dicto resto libras quattuor soldos duos et
o0202001.157vl 1432 aprile 8 Release of a kilnman on condition that he supply mortar in accordance with certain agreements and that he put up surety. Text: trium et soldorum quattuor pro modio quolibet,
o0202001.123d 1429/30 febbraio 22 Release of arrested person following promise of payment and renunciation of right of recourse. Text: florenis auri quinquaginta quattuor de solvendo ad
o0202001.251e 1435/6 marzo 20 Release of arrested person for debt because of his poverty. Text: ad presens libras quattuor, actenta paupertate sua
o0201072.014vf 1417/8 gennaio 19 Release of arrested person, new payment deadline and corresponding guaranty. Text: de causa infra quattuor menses, videlicet dimidiam
o0201070b.008c 1416/7 febbraio 17 Release of arrested person, term of payment and letter to the Podestà of San Miniato with summons for four inhabitants of said Commune. Text: Communi, cogat illos quattuor de quibus alias
o0201070.005e 1416/7 gennaio 26 Release of arrested persons and new payment deadline for a debt of the Commune of San Miniato fiorentino. Text: tunc cogat infrascriptos quattuor ad comparendum coram
o0201072.014vb 1417/8 gennaio 19 Release of arrested persons, new payment deadline and corresponding guaranty. Text: de solvendo infra quattuor menses relapsentur; pro
o0201083.006c 1423 settembre 11 Release of guarantor of arrested debtor. Text: anno florenos auri quattuor, satisdandum et solvendo
o0201083.006c 1423 settembre 11 Release of guarantor of arrested debtor. Text: tangente dictorum florenorum quattuor auri.
o0202001.091d 1428 agosto 31 Release of kilnman from supply agreement which had been terminated. Text: pro tempore annorum quattuor, videlicet: quolibet anno
o0202001.020b 1425/6 gennaio 10 Release of kilnmen from the payment of sum advanced for supply of broad bricks and new commitment of the sons of one of them. Text: tempore et termino quattuor annorum initiatorum die
o0201074.005e 1418 agosto 6 Release of person arrested for forced loans. Text: pro omnibus aliis quattuor etc.
o0201079.050vc 1421 dicembre 19 Rent of house owed in part by the Opera and in part by chaplain whose quota is advanced. Text: dicto Filippo florenos quattuor et ulterius Opera
o0201077.043vd 1420 giugno 12 Rent of quarry at increased price. Text: pretio florenorum XX quattuor auri quolibet anno.
o0201072.019vb 1417/8 febbraio 14 Rental of a house assigned to a chaplain. Text: Filippo Amannati florenos quattuor soldos quinquaginta tres
o0201072.021f 1417/8 febbraio 18 Rental of a house. Text: in totum florenos quattuor libras duas et
o0201081.030vc 1422 dicembre 2 Renunciation of rental of the quarry of Niccolò Rinucci at the expiration of the contract, prohibition with penalty of transit on the street constructed by the Opera that leads to the quarry and authorization to administrator and master builder to sell stones. Text: ad minus soldorum quattuor pro qualibet carrata
o0201078.015vc 1420/1 marzo 19 Request to kilnman to maintain his promise for the supply of mortar and to provide guarantors to be approved by the administrator. Text: et caveat per quattuor fideiussores comitatinos ydoneos
o0202001.144d 1431 giugno 20 Restitution of a pawn after the required payment. Text: dicte Opere grossos quattuor de argento et
o0201076.029ve 1419 novembre 10 Restitution of loan to be deducted from salary in monthly installments. Text: dicto debito libras quattuor f.p. usque ad
o0202001.213c 1434 aprile 5 Restitution of pawns to the hospital of Santa Maria della Scala. Text: viginti septem pro quattuor prestantiis secundi et
o0201082.068c 1422/3 marzo 9 Restitution to debtor of money for two pawns sold. Text: in totum libras quattuor et soldos sex
o0201079.073a 1421 settembre 5 Restitution to the Commune of Lanciolina of sum erroneously paid. Text: Communi Lancioline libras quattuor f.p. per ipsum
o0201079.073a 1421 settembre 5 Restitution to the Commune of Lanciolina of sum erroneously paid. Text: descriptum fuerit, libras quattuor; que pro eo
o0201077.067g 1420 maggio 18 Restitution, exonerating the heirs, of sum received in loan by master deceased on the job. Text: viginti et soldorum quattuor, qui Lottus est
o0201077.067g 1420 maggio 18 Restitution, exonerating the heirs, of sum received in loan by master deceased on the job. Text: viginti et soldos quattuor f.p. l. XX
o0202001.090e 1428 agosto 26 Review of the debt of the past notary of the testaments with request for proof of claimed removal and sale of pawns to be credited to him and term of payment for the remaining sum dependent upon his ratification of these conditions. Text: settembris florenos auri quattuor seu illud quod
o0202001.139ve 1431 marzo 27 Revocation of demand of payment due to an error and new registration in the book of the debtors. Text: ad rationem denariorum quattuor pro qualibet libra
o0201076.013f 1419 settembre 6 Revocation of demand of payment for forced loans and pardons on properties because of dotal rights and renunciation of inheritance. Text: una veges capacitatis quattuor lagenarum, tria lenteamina
o0201070b.051b 1416/7 febbraio 3 Right of recourse in favor of debtor's tenant farmer who was forced to pay the debt. Text: dicto Operis florenos quattuor auri libras tres
o0202001.129d 1430 settembre 6 Right of recourse to a guarantor. Text: pro florenis auri quattuor soldis quindecim et
o0201079.025c 1421 settembre 15 Right of recourse to the Commune of San Quintino with indemnification from the true debtors for property gabelle. Text: duos et libras quattuor f.p. pro gabellis
o0201078.012b 1420/1 marzo 10 Rulings about the modes of hiring of unskilled workers. Text: existentium adminus per quattuor fabas nigras; et
o0201070.021d 1417 maggio 19 Rulings for collection of the three gabelles (wholesale wine, retail wine and butchering). Text: ad rationem denariorum quattuor pro qualibet libra
o0201080.017va 1421/2 marzo 13 Rulings for reduction of the weight of the cupola through narrowing of the corner piers and change to brick construction. Text: Fiore predicte et quattuor officialibus cupole maioris
o0201080.017va 1421/2 marzo 13 Rulings for reduction of the weight of the cupola through narrowing of the corner piers and change to brick construction. Text: Martini unius ex quattuor officialibus, videlicet. Che
o0201078.031vd 1421 maggio 24 Rulings for release of arrested persons with at least 4 favorable votes. Text: partito adminus pro quattuor (fabas) nigras redditas
o0201070.017b 1417 aprile 26 Rulings in favor of the family of the holder of rights upon a house sold to the Opera to widen the street of Santa Reparata. Text: MCCCCXV in florenis quattuor auri. Et omnibus
o0201070.017b 1417 aprile 26 Rulings in favor of the family of the holder of rights upon a house sold to the Opera to widen the street of Santa Reparata. Text: anno in florenis quattuor auri etc. Ac
o0201078.007vb 1420/1 gennaio 31 Rulings regarding coarse firewood to be transported to the Opera, with separate account kept by the administrator. Text: Campigne dicte Opere quattuor sunt ligna grossa
o0201078.071d 1421 aprile 16 Salary allowance of Filippo Brunelleschi supervisor of the cupola. Text: eius provisione dictorum quattuor mensium ut supra
o0201079.078g 1421 novembre 6 Salary allowance of Filippo Brunelleschi supervisor of the cupola. Text: pro eius provisione quattuor mensium initiatorum die
o0201078.071e 1421 aprile 16 Salary allowance of Lorenzo di Bartolo supervisor of the cupola. Text: eius provisione dictorum quattuor mensium ad rationem
o0201079.078va 1421 novembre 6 Salary allowance of Lorenzo di Bartoluccio supervisor of the cupola. Text: eius provisione dictorum quattuor mensium initiatorum et
o0201076.046b 1419 luglio 5 Salary allowance of the administrator. Text: unum et denarios quattuor f.p. f. 10
o0201079.077vd 1421 ottobre 31 Salary allowance of the administrator. Text: pro eius provisione quattuor mensium et dierum
o0201080.072c 1422 maggio 20 Salary allowance of the administrator. Text: soldos trecedim denarios quattuor f.p. f. III
o0201079.078vb 1421 novembre 6 Salary allowance of the master builder supervisor of the cupola. Text: eius provisione dictorum quattuor mensium ut supra
o0201078.071c 1421 aprile 16 Salary allowance of the master builder. Text: pro eius provisione quattuor mensium initiatorum die
o0201075.049c 1419 aprile 29 Salary allowance of the notary of the Opera. Text: septem et denarios quattuor f.p. f. 7
o0201076.045vm 1419 luglio 5 Salary allowance of the notary of the Opera. Text: in totum florenos quattuor auri f. 4
o0201077.051vd 1419 dicembre 29 Salary allowance of the notary of the Opera. Text: in totum florenos quattuor libras tres soldos
o0201077.051vd 1419 dicembre 29 Salary allowance of the notary of the Opera. Text: soldos novem denarios quattuor f.p. f. IIII
o0201074.059vi 1418 dicembre 23 Salary allowance of the scribe of the daily wages. Text: eius provisione dictorum quattuor mensium ad rationem
o0201074.059vi 1418 dicembre 23 Salary allowance of the scribe of the daily wages. Text: in totum florenos quattuor auri f. 4
o0201077.051c 1419 dicembre 29 Salary allowance of the scribe of the daily wages. Text: eius provisione dictorum quattuor mensium ad rationem
o0201077.051c 1419 dicembre 29 Salary allowance of the scribe of the daily wages. Text: quolibet mense florenos quattuor auri f. IIII
o0201075.049e 1419 aprile 29 Salary allowance of the scribe. Text: eius provisione dictorum quattuor mensium ad rationem
o0201075.049e 1419 aprile 29 Salary allowance of the scribe. Text: in totum florenos quattuor auri f. 4
o0201075.049f 1419 aprile 29 Salary allowance of the vice master builder. Text: eius provisione mensium quattuor et dierum quattuordecim
o0201076.046h 1419 luglio 5 Salary allowance of the vice master builder. Text: in totum florenos quattuor auri f. 4
o0201076.054vc 1419 dicembre 15 Salary allowance of the vice master builder. Text: pro eius provisione quattuor mensium proxime preteritorum
o0201077.053e 1419/20 gennaio 18 Salary allowance of the vice master builder. Text: in totum florenos quattuor f. IIII
o0201074.040vg 1418 ottobre 24 Salary of a master for work on the model of Brunelleschi. Text: Opere pro viginti quattuor operibus et uno
o0201074.040vh 1418 ottobre 24 Salary of a master for work on the model of Brunelleschi. Text: tres et denarios quattuor f.p. l. 15
o0201074.040vi 1418 ottobre 24 Salary of a master for work on the model of Brunelleschi. Text: tredecim et denarios quattuor f.p. l. 11
o0201076.046e 1419 luglio 5 Salary of a messenger. Text: totum libras viginti quattuor f.p. l. 24
o0201081.065ve 1422 luglio 7 Salary of a messenger. Text: mense, libras viginti quattuor f.p. l. XXIIII
o0201074.037a 1418 settembre 23 Salary of a stonecutter. Text: supra, detractis denariis quattuor quos habuit de
o0201086.042vd 1424/5 gennaio 24 Salary of Lorenzo of Bartoluccio with deduction for trip. Text: totum florenos auri quattuor f. IIII
o0201080.024va 1422 aprile 21 Salary of masters and unskilled workers for the summer. Text: Masinus Iacobi soldi quattuor Iohannes Pieri Coli
o0202001.018ve 1425 dicembre 13 Salary of masters for the winter. Text: die soldos triginta quattuor f.p. s. XXXIIII
o0202001.053h 1426/7 marzo 6 Salary of masters for the winter. Text: soldos sedecim denarios quattuor f.p. s. XVI
o0202001.053h 1426/7 marzo 6 Salary of masters for the winter. Text: soldos quattuordecim denarios quattuor f.p. s. XIIII
o0202001.053h 1426/7 marzo 6 Salary of masters for the winter. Text: soldos duodecim denarios quattuor f.p. s. XII
o0202001.077g 1427/8 febbraio 5 Salary of masters for the winter. Text: soldos tredecim denarios quattuor f.p. Checho Dominici
o0201074.039f 1418 ottobre 24 Salary of the accountants for their audit of the accounts of the cashiers of the communal treasury. Text: ad rationem florenorum quattuor auri pro quolibet
o0201075.050va 1419 maggio 15 Salary of the accountants for their audit of the accounts of the cashiers of the communal treasury. Text: ad rationem florenorum quattuor auri pro quolibet
o0201073b.009b 1418 giugno 28 Salary of the administrator and scribe of the new gabelles. Text: ad rationem florenorum quattuor auri pro quolibet
o0201086.048vc 1425 aprile 28 Salary of the administrator of Lastra and Malmantile. Text: ad rationem florenorum quattuor pro quolibet mense,
o0201086.043vb 1424/5 febbraio 12 Salary of the administrator of the castles of Lastra and Malmantile. Text: ad rationem florenorum quattuor auri pro quolibet
o0201070b.019c 1417 aprile 28 Salary of the administrator of the gabelles. Text: salario et paga quattuor mensium proxime preteritorum
top of page Return Help Contact home
© 2015 Opera di Santa Maria del Fiore