Pioneer odyssey

Fimmel, Richard O.
Washington : Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
Rev. ed.

Pioneer Venus

Fimmel, Richard O.
Washington, DC : Scientific and Technical Information Branch, National Aeronautics and Space Administration : For sale by the Supt. of Docs., U.S. G.P.O., 1983.

Space Pioneers and where they are now

Montoya, Earl J.
Washington, D.C. : Educational Affairs Division, National Aeronautics and Space Administration : [Supt. of Docs., U.S. G.P.O., distributor], 1987.