Sharh Bist Bab, Persian manuscript on paper, 23ll. of black naskh, words overlined in red, occasional tables in black and red, occasinal marginal notes, Persia, dated Ah 1254/1838-9 AD and signed by 'Abdullah Mahmoud b. Mirza Ahmad, plain brown morocco binding - 8¾ x 4½in. (22.3 x 11.5cm.); Sheikh al-Imam Fakhr al-Din al-Razi: Risalah, 15ll. black naskh. words in and overlined in red, marginal notes, colophon on opening leaf dated Ramadan AH 944/1537-8 AD in Qazwin, final folio replaced giving name of scribe as Hasan b. Muhammad al-Qazwini, brown morocco binding - 8 x 6in. (20.3 x 15.3cm.); and Tusi: Sharh al-Isharat, Arabic manuscript on European watermarked paper, 21ll. of black naskh, words in red, colophon at end of first part dated AH 1085/1674-5 AD, on final folio dated Wednesday 17 Rabi' II, light brown morocco binding - 10 x 6¾in .(25.5 x 17.2cm.) (3)