Brubacher, J. S. (1947). A history of the problems of education: By John S. Brubacher. McGraw-Hill.

Brubacher, John S. A History of the Problems of Education: By John S. Brubacher. New York [u.a.]: McGraw-Hill, 1947.

Brubacher, John S. A History of the Problems of Education: By John S. Brubacher. McGraw-Hill, 1947.