- Korasick, John. “Nixon, Richard.” Encyclopedia of American History, Vol. 10, Revised Edition, Facts On File, 2009, American History Online, online.infobase.com/hrc/search/details/209583?q=nixon. - Mayer, Michael S. “Nixon, Richard.” The Eisenhower Years, Facts On File, 2009, American History Online, online.infobase.com/hrc/search/details/203709?q=nixon.
-Richard Nixon: "Executive Order 11478—Equal Employment Opportunity in the Federal Government," August 8, 1969. Online by Gerhard Peters and John T. Woolley, The American Presidency Project. http://www.presidency.ucsb.edu/ws/?pid=59072.
-Richard Nixon: "Executive Order 11514—Protection and Enhancement of Environmental Quality," March 5, 1970. Online by Gerhard Peters and John T. Woolley, The American Presidency Project. http://www.presidency.ucsb.edu/ws/?pid=59077.