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Pl. LXXVI. Two Drawings: No. 1 Study for the Sforza monument The Sforza monument refers to the massive, unrealized bronze equestrian statue of Francesco Sforza, the Duke of Milan, which Leonardo worked on for many years.; drawn in red chalk—see text No. 712—(from the Codex Atlanticus, Milan); No. 2 Drawing of instruments for the mint of Rome—see text No. 726—; from Manuscript G, Institut de France, Paris.
XXI.
Pages 381—417
Drafts of letters and reports referring to Armenia (1336, 1337). — Notes about adventures abroad (1338, 1339). — Drafts of letters to Lodovico il Moro The Duke of Milan and Leonardo’s patron. (1340—1345). — Draft of a letter to a Commission at Piacenza (1346 to 1347). — Letter to Cardinal Ippolito d’Este (1348). — Draft of a letter to the French Governor of Milan (1349). — Drafts of letters to the Superintendent of canals and to Melzi Francesco Melzi, Leonardo’s pupil and heir. (1350). — Drafts of letters to Giuliano de’ Medici (1351, 1352). — Draft of a letter written at Rome (1353). — An imaginative letter (1354). — Miscellaneous drafts of letters and personal records (1355 to 1368). — Notes bearing dates (1369—1378).
XXII.
Pages 419—472
Memoranda before the year 1500 (1379—1413). — Memoranda after the year 1500 (1414—1434). — Memoranda of unknown dates (1435—1457). — Notes on pupils and artisans (1458—1468). — Quotations and notes on books and authors (1469—1508). — Inventories and accounts (1509—1545). — Notes in unknown handwriting among the manuscripts (1546—1565). — Leonardo’s will (1566).
Pages 473—478
Pages 479—499
History of the manuscripts.