Warren Farrell (2005). “Why Men Earn More: The Startling Truth Behind the Pay Gap--and what Women Can Do about it”, p.24, AMACOM Div American Mgmt Assn
Samuel Richardson (1755). “A collection of the moral and instructive sentiments, maxims, cautions, and reflexions, contained in the histories of Pamela, Clarissa, and Sir Charles Grandison: Digested under proper heads, with references to the volume, ...”, p.192
"In the Halloween Queen’s Court: A Conversation with Elvira, aka Cassandra Peterson". Interview with Dan Lybarger, www.huffingtonpost.com. October 30, 2011.