long quote from a book/manuscript, etc...
Intriguing clues about a practice from the Middle Ages, for which one could be burned at the stake:
Be the master of your senses. The soul is portrayed as the driver of the carriage (human body) and the horses are the senses which should be kept under our control.
This book, published in 1902, is thought by the forum member who shared it with me to be a collective effort published under the pseudonym "Nancy McKay Gordon." The entire text is available at archive.org: The Majesty of Sex: A
This volume, by Paul C. Bragg has a few pages about sexual transmutation at the very end.
by A.E. Newton
This old book has a few bits and pieces relative to managing sexual desire, and a forum member was kind enough to share it.
[From Wikipedia] Albert Chavannes (February 23, 1836 – May 3, 1903) was a Swiss-born American author, philosopher, and sociologist, active primarily in the late 19th century.
Here's a scan from an old book by George W. Carey (esoteric Christianity author). This segment talks about the importance of conserving sexual energy in order to enhance the function of the pineal gland.