http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
LOOMIS, Frederic B[rewster]: -- Physiography of the United States. -- (2. print.) - New York: Doubleday, Doran -- & Co. 1938. VIII, 350 S., 212 Abb. 8° -- 1952:292. -- U.