Author
Pennsylvania. Department of Public Instruction
4
American Gymnastic Union. Normal College
1
American Latvian Association in the United States Izglitibas Birojs
1
American Latvian Association in the United States. Izglitibas Birojs
1
Ashton, Thomas B.
1
Bache, A. D. 1806-1867
1
Berkowitz, Samuel H.
1
C. Sherman and Co.,
1
Center for Global Perspectives
1
Cheney, Lynne V.
1
Columbia University. Teachers College
1
Dorsey, John Syng, 1783-1818
1
Emmanuel, Philippos D.
1
Feinstein, Otto, 1930-2003
1
Ferguson, Henry, 1927-
1
First School District of Pennsylvania (Philadelphia, Pa.). Controllers of the Public Schools
1
Fry, William, 1777-1855,
1
Hillel Foundation at the University of Pennsylvania
1
King, David C.
1
Lafayette College (Easton, Pa.)
1
Latviešu nacionālās apvienības Kanadā Izglitibas Nozare
1
Latviešu nacionālās apvienības Kanadā. Izglitibas Nozare
1
Laufenberg, Rachael A.
1
Lederer, Norman
1
Long, Cathryn J.
1
Martinez, Jimmie
1
Morris, Libby V.
1
National Education Association of the United States. Department of Supervision and Curriculum Development
1
National Endowment for the Humanities
1
New York (State). Social Studies Review and Development Committee
1
North American Gymnastic Union. Normal College
1
Parker, Sammy
1
Parvin, Theophilus, 1829-1898
1
Pennsylvania Polytechnic College (Philadelphia)
1
Phelps, Lincoln, Mrs., 1793-1884
1
Philadelphia (Pa.) Board of Controllers of Public Schools Committee on Revision of Studies
1
Philadelphia Chamber of Commerce
1
Philadelphia School District
1
Pittsburgh Public Schools Office of Multicultural Education
1
Rawle, William Henry, 1823-1889
1
Reissman, Rose
1
San Diego Public Schools
1
Sansom, Isaac
1
Sartain, John, 1808-1897
1
Schwartzman, Sylvan D.
1
Social Science Education Consortium
1
Society for Curriculum Study
1
St. Mary's Hall (Burlington, N.J.)
1
Stokstad, Marilyn, 1929-
1
University of Pennsylvania
1
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