The Philosophical Research Society (P.R.S.) is an American nonprofit organization founded in 1934, by Manly Palmer Hall, to promote the study of the world's wisdom literature. Its current president is Obadiah S. Harris, Ph.D. Under Dr. Harris, in 2000 PRS created and is doing business as the University of Philosophical Research. The University offers two nationally accredited Master’s programs (M.A. in Consciousness Studies and M.A. in Transformational Psychology) and a newly approved (as of 2014) Bachelor of Arts program in Liberal Studies. All degree programs are online.
PRS offers lectures, films and readings to the public. It maintains a research library of over 50,000 volumes, and also sells and publishes metaphysical and spiritual books, mostly those authored by Hall.