Mary Gray's The gateway of liberation ; and, Spiritual laws : rules of the evolutionary arc / introduction, biographical vignette of Mary Gray, and glossary by Carol E. Parrish-Harra. Gateway of liberation Spiritual laws. Gray, Mary, 1886- Gray, Mary, 1886- Spiritual laws. 1992. Parrish-Harra, Carol E. (Carol Elizabeth), 1935- Theosophy. New Age movement. BP565 .G64 1992 328 20 BUP Tahlequah, Okla. : Sparrow Hawk Press, c1992. c1992. 1992 Text xii, 155 p. ; eng