1. University of Pennsylvania, Halper 354 DS ID: DS25704 Title: Document Place: Old Cairo Date: 1020-1047?
2. University of Pennsylvania, Halper 355 DS ID: DS25918 Title: Memorandum Place: Old Cairo Date: 1100-1138?
3. University of Pennsylvania, Halper 350 DS ID: DS26160 Title: Memorandum Date: 13th century-15th century?