The Shiur Komah: Imaging the Divine
A text's physical description of God might actually have been intended to emphasize God's indescribability.
Sefer ha-Bahir: The Book of Brilliance
An analysis of the content and influences of the earliest work of Kabbalah.
The Gerona Circle of Kabbalah
Influential kabbalists like Rabbi Azriel and Jacob ben Sheshet were, at times, criticized for their work.