12
Library of Congress Prints and Photographs Division. (1995). Thesaurus for graphic mate
rials I: Subject terms. Retrieved April 7, 2006, from http://www.loc.gov/rr/print/tgm1/
Random House Webster’s unabridged dictionary (2nd ed.). (1998). New York: Random
House.
UKAT: UK Archival Thesaurus. (n.d.). Retrieved February 15, 2006 from