The Smithsonian Institution /
Paul H. Oehser ; Louise Heskett, research associate ; foreword by S. Dillon Ripley.
- 2nd edition, revised and expanded.
- Boulder, Colo. : Westview Press, 1983.
- xiv, 223 p., [2] p. of plates : ill.
- Westview library of federal departments, agencies, and systems .