Secoy, Frank Raymond, 1922- Changing military patterns on the Great Plains : 17th century through early 19th century / - Locust Valley, N.Y. : J.J. Augustin, [1953] - viii, 112 p. maps. 25 cm. - Monographs of the American Ethnological Society, 21 . Bibliography: p. 107-112. Subjects--Topical Terms: Indians--Warfare.Indians of North America--Wars Dewey Class. No.: 978 / SEC 1953