Qutb al-Din Muhammad b. Muhammad al-Razi al-Tahtani (d.AH 966/1364 AD): Tahrir al-Qawa'id al-Mantiqiyah fi Sharh al-Risalah al-Shamsiyah, Arabic manscript on paper, regarding the principles of logic - a commentary on al-Risalah al-Shamsiyah written by Shams al-Din (d.AH 780/1378 AD), 11ll. of black naskh, words in red, marginal notes, and Ibn al-Hajib 'Uthman b. 'Umar (d.AH 646/1249 AD): Al-Shafiyah, regarding grammar, 17ll. black naskh, red ruled margin, dark brown morocco binding, 15th century - 6¾ x 4¾in. (17.1 x 12cm.); and Taqi al-Din 'Abd al-Ghani b. 'Abd al-Wahid b. Suru al-Jamma'ili al-Maqdsai (d.AH 600/1203 AD): Umdat al-Ahkam, regarding the traditions of juristic significance, Arabic manuscript on paper, 15ll. of brown naskh, words in red, occasional marginal notes, black binding, Levant, circa 14th century - 7½ x 5½in. (19 x 14cm.) (2)