http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
258.538 -- FIFIELD, Russell H..- -- Geopolitics in principle and practice.By -- Russell H.Fifield and G.Etzel P e a r c y. -- Boston [usw.]:Ginn and Comp. (1944). IV, -- 203 S. 4°(8°) -- 1950:1084.