Washington, D.C. : The Catholic university of America press; London, New York [etc.] Longmans, Green and co., 1941.

Library Shelving Facility (LSF) >> Nkb18 941j

Washington, DC : Office of Educational Research and Improvement, U.S. Dept. of Education : For sale by the U.S. G.P.O., Supt. of Docs., [1996]

Library Shelving Facility (LSF) >> ED 1.302:G 29/3