Author
United States. Central Intelligence Agency
467
National Institute of Education (U.S.)
104
United States Postal Service
101
Foreign Service Institute (U.S.)
94
Pennsylvania. Bureau of Industrial Development. Division of Statistics
67
Pennsylvania. Department of Internal Affairs. Bureau of Statistics
67
JSTOR
62
United States. Office of Personnel Management
59
ERIC Clearinghouse on Languages and Linguistics
50
Library of Congress
48
Center for Applied Linguistics
43
Pennsylvania. General Assembly. Legislative Budget and Finance Committee
41
Cather, Willa, 1873-1947
39
Educational Resources Information Center (U.S.)
36
United States. Office of Management and Budget
36
Gotham Book Mart Collection (University of Pennsylvania)
32
Morris, Wright, 1910-1998
30
Pennsylvania. Department of Education
30
National Clearinghouse for Bilingual Education
27
Peace Corps (U.S.)
26
Shakespeare, William, 1564-1616
26
Simms, William Gilmore, 1806-1870
26
Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania)
25
Gertrude Clarke Whittall Poetry and Literature Fund
25
Pennsylvania. Bureau of Employment Security
25
United States. Office of Education
24
United States. Office of Educational Research and Improvement
23
Southwest Educational Development Laboratory
22
Pennsylvania. Department of Environmental Resources
21
Federal Employees Health Benefits Program (U.S.)
20
National Center for Education Statistics
20
National Foreign Assessment Center (U.S.)
20
United States. Department of Education
20
United States. Office of Personnel Management. Retirement and Insurance Group
19
Pennsylvania. Department of Labor and Industry
18
United States. Office of National Drug Control Policy
17
United States. Bureau of the Census
16
InterAmerica Research Associates
15
Pennsylvania. Department of Revenue
15
United States Commission on Civil Rights
15
United States. Office of Bilingual Education and Minority Languages Affairs
15
United States. President
15
Baker, David, 1954-
14
University of California, Berkeley. Center for the Study of Writing
14
Guilds, John Caldwell, 1924-
13
National Assessment of Educational Progress (Project)
13
National Endowment for the Arts
13
Stevick, Earl W.
13
Walker, Mildred, 1905-1998
13
ERIC Clearinghouse on Reading and Communication Skills
12
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