Autor
Carbia, Rómulo D.
3
Aarciniegas, Germán
1
Binkley, William C.
1
Bolton, Herbert Eugene
1
Brooks, Philip C.
1
Brown, George W.
1
Gandía, Enrique de
1
Griffin, Charles C.
1
Grifin, Charles C.
1
Hanke, Lewis
1
Moses, Bernard
1
Mosk, Sanford A.
1
O'Gorman, Edmundo
1
Shepherd, William R.
1
Terrera, Guillermo Alfredo
1
Turner, Ralph E.
1
Whitaker, Arthur Preston
1
Zavala, Silvio
1