The books are classified as follows...

The books are classified as follows: (a) on medicine (1-56 books); (b) physics (57-89); (c) logic (90-96); (d) mathematics and astronomy (97-106); (e) commentaries, abridgments, and epitomes (107-13); (f) philosophy and hypothetical sciences (114-30); (g) metaphysics (131-36); (h) theology (137-50); alchemy (151-72); (i) atheistic books (173-74); (j) miscellaneous (175--84). In al-Nadim's and al-Biruni's lists, there are some common and some non-common titles.

Ibn Abi Usaibi`ah (Vol.I, pp.315-19) mentions 236 works of which some are certainly apocryphal. The different titles given by al-Biruni, Ibn al-Nadim, al-Qifti, and Ibn Abi Usaibi'ah were assembled by Dr. Mahmud al-Najmabadi in his book: Sharh Hal Muhammad ibn…