Author/Creator
- United States1,732
- Riewert Tode Collection of German Student Movements and Counter-Culture860
- United States. National Aeronautics and Space Administration567
- SpringerLink (Online service)363
- Yale University343
- Yale University, degree granting institution339
- United States. Congress. House310
- Geological Survey (U.S.)306
- Library of Congress. Congressional Research Service246
- Lewis Research Center238
- Langley Research Center237
- United States. Bureau of the Census184
- United States. President (1969-1974 : Nixon)175
- United States. Congress. House. Committee on the Judiciary. (1813- )152
- Project Muse145
- United States. Congress. Senate. Committee on the Judiciary. (1816- )139
- Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library)135
- Nixon, Richard M. (Richard Milhous), 1913-1994132
- United States. Congress. House. Committee on Rules. (1849-50; 1880- )127
- United States. Congress. Senate. Committee on Foreign Relations124