1. University of Pennsylvania, Halper 475 DS ID: DS25771 Title: Accounts Place: Egypt Date: 14th century-18th century?
2. University of Pennsylvania, Halper 472 DS ID: DS25861 Title: Accounts Author: Abraham Ben Yijû Place: Old Cairo Date: 1152?
3. University of Pennsylvania, Halper 469 DS ID: DS25920 Title: Accounts Date: early-mid 11th century