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Author/Creator
- SpringerLink (Online service)148
- ebrary, Inc83
- National Center for Education Statistics63
- Library of Congress. Congressional Research Service61
- Real Life Productions47
- ProQuest (Firm)38
- United States. Congress. House31
- Monroe, Walter Scott, 1882-196128
- United States28
- Educational Testing Service24
- National Assessment of Educational Progress (Project)23
- United States. Congress. House. Committee on Education and Labor. Subcommittee on Elementary, Secondary, and Vocational Education22
- United States. National Education Goals Panel20
- Brook Lapping Productions19
- Project Muse18
- United States. Congress. Office of Technology Assessment18
- Odell, Charles Watters, 1891-17
- Greene, Harry A. (Harry Andrew), 1889-197416
- Institute of Education Sciences (U.S.)16
- Koenig, Judith A.14