- Introductory Reading on Popper’s Philosophy Part of the Karl Popper Web. Recommended.
- Popper’s main works in English Also part of the Karl Popper Web. And also recommended.
- Rafe Champion’s Amazon review page A great selection of books.
- Readings in critical rationalism beyond Karl Popper My own reading list at Amazon.
- Friesian site review page Many interesting books reviewed, mostly by Kelly Ross.
- Popper bibliography by The Japan Popper Society Quite a long list.
- Critical Rationalism bibliography by The Japan Popper Society Even a longer list.
Note: Additions and corrections are not only welcome but hoped for, please comment!