Fragments from the Lost Writings
- With notes.
- http://www.ccel.org/ccel/schaff/anf01.ix.viii.html

Against Heresies
- Each book in its own file, with notes and links to contents, previous, next. Large file sizes. Book 1, for example, is 240K.
- http://www.ccel.org/ccel/schaff/anf01.ix.ii.html

Adversus Haereses
- No notes, but smaller file sizes, because each chapter has its own file.
- http://www.newadvent.org/fathers/0103.htm