37. Astronomy; calendrical T-S K2.70 Creator: Abraham Zacut Date: 16th century Language: Hebrew Medium: Paper Extent: Leaf: (height: 20.9 cm, width: 30.4 (1 leaf: 15.2) cm)
38. Letter T-S 10J20.20 Creator: Abraham al-Dimašqī the teacher b. Jethro Date: 6th-19th century Language: Judeo-ArabicHebrew Medium: Paper Extent: Leaf: (height: 17.6 cm, width: 17.6 cm)
39. Legal document: ketubba; note T-S 8.152 Creator: Abraham b. Abū Joseph Date: 6th-19th century Language: HebrewJudeo-Arabic Medium: Vellum Extent: Leaf: (height: 10.6 cm, width: 9 cm)
40. Letter T-S 10J9.11 Creator: Abraham b. Benjamin the teacher Date: 6th-19th century Language: Hebrew Medium: Paper Extent: Leaf: (height: 14.1 cm, width: 22.9 cm)
41. Letter T-S 8J38.3 Creator: Abraham b. Hillel Date: 6th-19th century Language: HebrewJudeo-Arabic Medium: Paper Extent: Leaf: (height: 18.9 cm, width: 11.5 cm)
42. 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)
43. Letter T-S Misc. 35.49 Creator: Abraham b. Isaac Alluf (Av Bet Din) Date: 11th century Language: Hebrew Medium: Vellum Extent: 1 leaf. Leaf: (height: 19.4 cm, width: 11.8 cm)
44. Letter; piyyuṭ T-S 13J28.1 Creator: Abraham b. Isaac Ibn al-Zūlāfī Date: 6th-19th century Language: HebrewJudeo-ArabicArabic Geographic region: Palermo Medium: Paper Extent: Leaf: (height: 28.3 cm, width: 20.6 cm)
45. Letter T-S 20.177 Creator: Abraham b. Jacob al-Darʿi Date: 1100 CE Language: HebrewJudeo-Arabic Geographic region: Alexandria Medium: Paper Extent: 1 leaf. Leaf: (height: 47 cm, width: 18 cm)
46. Letter; list; poetry; dirge T-S 13J35.7 Creator: Abraham b. Jethro Date: 6th-19th century Language: HebrewArabic Geographic region: Damascus Medium: Paper Extent: Leaf: (height: 26.7 cm, width: 17.7 cm)
47. Letter Mosseri II.143.2 Creator: Abraham b. Maimonides Date: 6th-19th century Language: Hebrew Medium: Paper Extent: Leaf: (height: 14.5 cm, width: 8.5 cm)
48. Letter T-S 8J7.1 Creator: Abraham b. Nathan Date: 6th-19th century Language: Judeo-ArabicHebrew Medium: Paper Extent: Leaf: (height: 12 cm, width: 17.7 cm)