He first met Alexander Fullerton in June, 1900, and that encounter started his interest in Theosophy. That same year he met New York Theosophist Arthur Jacoby, beginning a lifelong friendship and correspondence. Other close friends included Dr. George DeHoff of Baltimore and Charles Luntz of St. Louis.
- Extensive correspondence with Arthur Jacoby. Arthur Jacoby Papers. Records Series 25.18. Theosophical Society in America Archives.
- Henry Hotchener letter to Arthur Jacoby. June 9, 1950. Arthur Jacoby Papers. Records Series 25.18. Theosophical Society in America Archives.