Wedgwood, C. V. 1910- The Thirty Years War / C.V. Wedgwood. - Harmondsworth, Eng. : Penguin Books, 1957 [Reprinted 1961]. - 480 p. : ill. ; 18 cm. - A Pelican book . "A397". Subjects--Topical Terms: Thirty Years' War, 1618-1648. Dewey Class. No.: 940.24 / WET 1961