Classroom Series
Classroom Series
Classroom Series
Crofts Classics (F.S. Crofts & Co., unnumbered, 1946)
International Library of Psychology, Philosophy, and Scientific Method
New College Outline Series (Littlefield, Adams 1949)
Spectrum American Assembly Books
Spectrum Classics in History
Spectrum Great Lives Observed
Spectrum Modern Nations in Historical Perspective
Spectrum Science and Technology Books
Spectrum Twentieth Century Interpretations
Spectrum Twentieth Century Views
United States Authors
Sources
Sources
Modern Library Introduces 65-Cent College Editions, PW, Apr. 29, 1950, at 1896-1897.
Arnold H. Swenson, College Stores' Convention Features Trade Book Expansion, PW, May 6, 1950, at 1960-1964.