Admiralty, [14], [48], [49]

Age of the earth, [84], [85]

Agnosticism, [239], [241]-[243], [279]

Ahriman, [265]

Alchemists, [256], [257]

Alternation of generations, [53], [54]

Ameghino, [141]

America, [70]

American addresses, [71]

American fossils, [75]