1. Letter T-S 10J20.7 Creator: Abraham b. Isaac Date: 1050 CE Language: Judeo-ArabicArabic Medium: Paper Extent: Leaf: (height: 14.7 cm, width: 19.7 cm)
2. Letter T-S 13J23.21 Creator: Abraham b. Isaac Date: 1140 CE Language: Judeo-ArabicHebrew Geographic region: Fusṭāṭ Medium: Paper Extent: Leaf: (height: 28.3 cm, width: 20.2 cm)
