Works of the Chabad-Lubavitch movement
תניא
Foundational work of Chabad by Rabbi Schneur Zalman of Liadi.
תורה אור
Sermons on Genesis and Exodus.
ליקוטי תורה
Sermons on Leviticus, Numbers, and Deuteronomy.
דרך מצותיך
Interpretation of the 613 commandments by the Tzemach Tzedek.
שער היחוד
Work by Rabbi Dov Baer Schneuri.