Pisa, [128]

Place value, [26], [42], [46], [48]

Planudes, see Maximus Planudes

Plimpton, G. A., [56], [59], [85], [143], [144], [145], [148]

Pliny, [76]

Polo, N. and M., [107]

Prändel, J. G., [54]

Prinsep, J., [20], [31]

Propertius, [80]

Prosdocimo de' Beldomandi, [137]