http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an essay on the general biological theory of evolution
204 pages : illustrations, plates. ; 21 cm.
Reprint. Originally published: Cambridge [Eng.] : Cambridge University Press, 1947.
Includes bibliographical references and indexes.
Harper torchbooks ; TB 544. The science library