There are more than eleven thousand codices as well as thirty-five thousand genizah fragments. Collections include:
Bible: Eleven hundred biblical codices and scrolls from many countries, including China, Persia, Yemen, Spain, Italy, France, and Germany.
Cairo Genizah: Thirty-five thousand fragments containing invaluable information pertaining to the social, cultural, religious and economic life of Mediterranean Jewry from the ninth through the nineteenth centuries. All the fragments have been digitized and are available online through The Friedberg Genizah Project.
History: More than 400 pinkassim (record books) from Jewish communities and organizations throughout Europe, Africa, Asia, and North America, dating from the sixteenth to the twentieth centuries.
History of Science and Medicine: Two hundred fifty manuscripts dealing with the topics of medicine, math, astronomy, and astrology.
Kabbalah and Mysticism: Seven hundred manuscripts of both "practical" and "theoretical" Kabbalah.
Liturgy: Seven hundred fifty manuscripts reflecting the liturgies of many communities, including rites of Algiers, Aleppo, Ancona, Avignon, Barbados, Bukhara, Carpentras, Cochin, Constantinople, Corfu, Cunio, Lisle, Padua, Persia, Rovigo, and Yemen.
Philology: Four hundred manuscripts encompassing a wide range of topics within the field of Hebrew philology.
Philosophy: Over two hundred twenty-five manuscripts, including works by the great medieval Jewish philosophers such as Ibn Ezra, Bahya, Halevi, Abraham Ibn David, Maimonides, Crescas, and Albo.
Poetry and Belles Lettres: Three hundred seventy manuscripts, including works of the great medieval Spanish, Italian, and Ashkenazic Jewish poets and dramatists.
Polemics: Seventy-two polemical manuscripts, including records of disputations and general theological treatises.
Rabbinics: The largest collection of its kind in the world. Consists of over 2,500 manuscript codices of codes, responsa, and commentary from rabbinic centers in Europe, Africa, and Asia.
Access is available to all manuscripts through the catalog. Manuscripts may also be read in the Special Collections Reading Room. Please make an appointment by emailing firstname.lastname@example.org. Microfilms of selected manuscripts are available in the Helen and Norman Asher Audio-Visual Center. Some microfilms of manuscripts are available through Proquest. Microfilm copies are found at the Institute of Microfilmed Hebrew Manuscripts.