Annual report of the Board of Regents of the Smithsonian Institution : showing the operations, expenditure and condition of the institution for the year ended June 30, 1950 /
Smithsonian Institution.
- Washington : Government Printing Office, 1951.
- ix, 522 p. : ill. ; 24 cm.
- Three centuries of science in America .
Includes bibliographical references and index.
79007964
Smithsonian Institution--History.
Museums--History.--United States
Science--History.--United States
Q11 / .U5 1980
508 / ANN
Includes bibliographical references and index.
79007964
Smithsonian Institution--History.
Museums--History.--United States
Science--History.--United States
Q11 / .U5 1980
508 / ANN