Pratt, Julius W. 1888-1983. America's colonial experiment; how the United States gained, governed, and in part gave away a colonial empire, by Julius W. Pratt. - Gloucester, Mass., P. Smith, 1964 [c1950] - xi, 460 p. maps. 21 cm. Includes bibliographies. LCCN: 64056504 Subjects--Topical Terms: Imperialism. Subjects--Geographic Terms: United States--Insular possessions. LC Class. No.: F 970 / .P7 1964