"William Quan Judge: A Biographical Sketch" by Kirby Van Mater
"The Occult Path" by Sarah Belle Dougherty
"Judge's Ideas on Health" by Richard E. Hiltner
"Theosophy and Capital Punishment" by William Q. Judge
"Occultism vs Psychic Powers" by John P. Van Mater
"Letters That Have Helped Me: A Personal View" by Douglas A. Russell
"Judge's Life: A Personal Viewpoint" by Patrick Powell
"My First Meeting with W. Q. Judge" by Katherine Tingley