Author
Findlay, Bruce Allyn, 1895-
3
United States
3
Corwin, Edward Samuel, 1878-1963
2
Dorf, Philip
2
Findlay, Esther Blair
2
Heathcock, Claude L.
2
Ashley, Roscoe Lewis, 1872-
1
Bragdon, Henry W. (Henry Wilkinson), 1906-1980
1
Carson, Clara Louise, 1885-
1
Constitutional Rights Foundation (1963- )
1
Duer, William Alexander, 1780-1858
1
General Programmed Teaching Corporation
1
Ginn and Company
1
Houghton Mifflin Company
1
Kottmeyer, William, 1910-
1
Peltason, J. W. (Jack Walter), 1923-
1
Piquet, Howard Samuel, 1903-
1
Ratcliffe, Robert H., 1918-
1
Rexford, Frank A. (Frank Adison), 1876-1941
1
Swiger, Elinor Porter
1
Thorpe, Francis Newton, 1857-1926
1
Wedgwood, William B.
1