Apostles' Creed, [93]

Apotheosis, [8], [131]

Apuleius, [4], [83]

Aquinas, St. Thomas, [10-12]

Aristotle, [10], [88]

Asia, [66], [122]

Asians, [58]

Astronomy, [11]

Athanasius, [131]

Augustine, [99]