Two Important Books - Amsterdam 1740's

a. Commentary on Maimonides, by Rabbi David Armah. Amsterdam, 1706. The book was printed on thick, light paper, in pleasant letters. Decorated border on the title page. [2], 85 leaves. 20 cm. Condition: Good. Without a binding. b. Arugat Habosem - A grammar book on the letters of the Hebrew alphabet, the pathways of the vowels and the ways of the cantillation, and short rules for proper speech. By Rabbi Shmuel Archevolti. Amsterdam, 1730. Printing press of Solomon Katz Proops. [1], 108 leaves. 19 cm. Condition: Fair. Damp stains. New binding. On the endpaper is a long inscription in ancient Ashkenazi handwriting.