Bach, E. E. (1923). Americanization in Philadelphia: A city-wide plan of co-ordinated agencies under direction of the Americanization Committee, Philadelphia Chamber of Commerce; a manual for Americanization workers. Philadelphia: s.n.

Bach, Edwin E. Americanization in Philadelphia: A City-wide Plan of Co-ordinated Agencies Under Direction of the Americanization Committee, Philadelphia Chamber of Commerce; a Manual for Americanization Workers. Philadelphia: s.n, 1923.

Bach, Edwin E. Americanization in Philadelphia: A City-wide Plan of Co-ordinated Agencies Under Direction of the Americanization Committee, Philadelphia Chamber of Commerce; a Manual for Americanization Workers. Philadelphia: s.n, 1923.