Ancient African Christians: Ammonius
- Extensively referenced article by Clyde Curry Smith.
- http://www.dacb.org/stories/egypt/ammonius_.html

Wikipedia: Ammonius Saccas
- Entry from this openly-edited encyclopedia.
- http://en.wikipedia.org/wiki/Ammonius_Saccas

Champions: Ammonius Saccas
- A brief summary of his teachings.
- http://www.alcott.net/alcott/home/champions/Ammonius.html

Great Theosophists: Ammonius Saccas
- Article from the journal Theosophy, published in 1936, presenting this figure in the context of the struggle between orthodox Christianity and Alexandrian eclecticism.
- http://www.wisdomworld.org/setting/saccas.html