Raymond M. Wolfe, project officer and principal author

National Science Foundation [2002]

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Raymond M. Wolfe, project officer and principal author

National Science Foundation [1999]

Available at 1 libraries

Raymond M. Wolfe, project officer and principal author

National Science Foundation [1997]

Available at 1 libraries

R. Keith Wilkinson, project officer

National Science Foundation, Division of Science Resources Studies [1997]

Available at 1 libraries

National Science Foundation (U.S.). Division of Science Resources Studies

Division of Science Resources Studies, Directorate for Social, Behavioral and Economic Sciences, National Science Foundation [1996]

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National Science Foundation [1977] Surveys of science resources series NSF 77-324

Available at 2 libraries

National Science Foundation , For sale by the Supt. of Docs., U.S. Govt. Print. Off. [1973] Surveys of science resources series

Available at 1 libraries