The Cairo Geniza, alternatively spelled Genizah, is a collection of some 400,000 Jewish manuscript fragments and Fatimid administrative documents that were found in the genizah or storeroom of the Ben Ezra Synagogue in Fustat or Old Cairo, Egypt. These manuscripts outline a 1,000-year continuum (870 CE to 19th century) of Jewish Middle-Eastern and North African history and comprise the largest and most diverse collection of medieval manuscripts in the world. The Genizah texts are written in various languages, especially Hebrew, Arabic and Aramaic, mainly on vellum and paper, but also on papyrus and cloth. In addition to containing Jewish religious texts such as Biblical, Talmudic and later Rabbinic works (some in the original hands of the authors), the Genizah gives a detailed picture of t