Aquinas, Thomas, [3], [64].

Aractensis, Mahometes, [234], [237].

Archelaus, [208].

Ardoynis, Santes de, [2].

Arias Montanus, [4].

Aristarchus, [214], [237].

Aristotle:

De Anima, [1], [11], [61], [210].

De Cœlo, [226], [232].

De Mirabilibus Auscultationibus, [22].