Phallicism
Free to read here, from Project Gutenberg.
The Sex Worship and Symbolism of Primitive Races: An Interpretation
Serpent-Worship, and Other Essays, with a Chapter on Totemism
Aphrodisiacs and Anti-aphrodisiacs: Three Essays on the Powers of Reproduction
Phallic Worship
Phallic Miscellanies
The Masculine Cross
Bible Studies: Essays on Phallic Worship and Other Curious Rites and Customs
Ophiolatreia
Cultus Arborum: A Descriptive Account of Phallic Tree Worship
Fishes, Flowers, & Fire as Elements and Deities in the Phallic Faiths & Worship of the Ancient Religions of Greece, Babylon, Rome, India, &c.