Leiden University Libraries, MS BPG 7, Euclidis opera, ex Procli Diadochi in Euclidem commentario excerpta, Netherlands, 1504-1505 fol 1, punctus, linea, superficies fol 2v, propositions I.1 et 2 fol 4, proposition I.5 fol 11, proposition I.22 fol 20v, proposition I.43 fol 20v, proposition I.44 fol 22v, proposition I.47 fol 23, variante de la figure I.47 fol 27, proposition II.5 fol 28, proposition II.7 fol 32, proposition II.11 fol 34v, proposition II.14 fol 35v, proposition III.1 fol 38v, proposition III.8 fol 54v, proposition III.35 fol 57v, proposition IV.2 fol 58, proposition IV.3 fol 58v, proposition IV.4 fol 59, proposition IV.5 fols 60 et 61v, propositions IV.6 et 9 fols 60v et 61, propositions IV.7 et 8 fol 62v, propositions IV.10 et 11 fol 63, proposition IV.12 fol 64v, proposition IV.13 fol 65, proposition IV.14 fol 65v, proposition IV.15 fol 67, proposition IV.16 fol 85v, proposition VI.1 fol 99, proposition VI.20 fol 106, proposition VI.27 fol 107, proposition VI.28 fol 108, proposition VI.29 fol 111v, proposition VI.33 fol 295v, proposition XI.31 fol 306, proposition XI.38 fol 307, proposition XI.39 fol 308, proposition XII.1 Rijks Universiteit Bibliotheek, Leiden. Σ © α