Avarice, [272]

Avenarius, [337]

Averroes, [136], [305]

Avicebron or Avencebrol, Fons Vitae, [135]

Bacon, Francis, [33], [123], [139], [325]–[29];

Novum Organum, [123], [124], [327]–[32];

Historia Naturalis et Experimentalis, [325];

Historia Ventorum, [326];

De Augmentis Scientiarum, [327], [328], [333];

method, [329];