The five-volume set of The Gnostic Anthology by Samael Aun Weor was first published posthumously in the early 1980s, after his death in 1977. Each volume in the set compiles a range of Samael Aun Weor’s teachings, covering topics like Gnosticism, esotericism, spiritual practices, and self-realization. The exact publication dates may vary depending on the publisher and the edition, but they were generally released between 1983 and 1985.