These source materials appeared between 1900 and 1940 CE.

The Descent of the Dove by Charles Williams (1939)

Early Christians had a method of uniting the sexes with “heavenly daring”.

The Mystical Qabalah by Dion Fortune (1935)

Has the Western world lost its knowledge of the subtler aspects of sex?

The Karezza Method by J. William Lloyd (1931)

A physician’s beautiful, inspiring manual about the practice of Karezza (Synergy).

The Sufi Message of Hazrat Inayat Khan: The Art of Personality by Inayat Khan (~1918)

Sufi sage discusses the importance of conservation.

Logos Mantram Magic: Gnostic Secrets of the Rose-Cross by Arnold Krumm-Heller (1914)

Founder of the Fraternitas Rosicruciana Antiqua describes the benefits of “El Carezza”.

Karezza: Ethics of Marriage by Alice Bunker Stockham (1903)

Quaker physician discusses both practical and spiritual implications of the karezza practice.

The Majesty of Sex: A Song of Immortal Life by Nancy McKay Gordon (1902)

Metaphysical discussions on the role of passion and the distinction between “generative” from “regenerative” sex.