Early in Manly P. Hall's career (from age 22) he published some lectures in a top-bound format called "Manuscript Lectures" to share with his students.
The copyrights on these documents have expired.
Contents:
The Theory of Reincarnation: Parts 1 and 2
Pros and Cons of the Sex Problem
The Fourth Dimension and the Third Eye
Marriage, the Mystic Rite
A Practical Application of Einstein's Relativity