Oehser, Paul Henry Sons of science : the story of the Smithsonian Institution and its leaders / Paul H. Oehser. - New York : Greenwood Press, 1968 [c1949] - xvii, 220 p. : illus. ; 23 cm. Includes Bibliography and Indexes Subjects--Corporate Names: Smithsonian Institution Dewey Class. No.: 506 / OES 1968