Britannica online, July 3, 2002 (Armstrong, Karen; b. Nov. 14, 1944, in Worcestershire, Eng.; one of the leading commentators on religion in Britain; once a practicing Roman Catholic)
Islamot, 2006 t.p. (Kerin Armstrong)
Through the narrow gate, 1981 t.p. (Karen Armstrong)
U.S. copyright file, July 22, 1998 (Armstrong, Karen, 1944- )
Wikipedia, June 10, 2013 (Karen Armstrong FRSL; born 14 November 1944 in Wildmoor, Worcestershire, England; British author and commentator known for her books on comparative religion. A former Roman Catholic religious sister, she went from a conservative to a more liberal and mystical Christian faith. She first rose to prominence in 1993 with her book A History of God: The 4,000-Year Quest of Judaism, Christianity and Islam. Her work focuses on commonalities of the major religions, such as the importance of compassion and the Golden Rule)