Author
Burton, William H., 1890-1964
1
Davies, Ivor K., 1930-
1
Elser, William K.
1
Esler, Mary K.
1
Heywood, John,, 1930-
1
Isaacson, Lee E.
1
Kuslan, Louis I.
1
Miller, Wilbur R.
1
Rose, Homer C.
1
Rowntree, Derek
1
Salvia, John
1
Stone, A. Harris
1
Thomas, Lawrence G., 1909-1996
1
Unesco
1
Unesco Press
1
Ysseldyke, James E.
1