Imprint varies: Chicago, Ill., Feb. 1943-Sept. 1943; Springfield, Mass., Nov. 1943-Jan. 1946. Publisher varies: Arrow Publications, May 1944-Jan. 1946. Title from cover.
Microfilm. Washington, D.C. : Available from Library of Congress Photoduplication Service. Available from Library of Congress Photoduplication Service. 2 microfilm reels ; 35 mm. v.1:no. 1-v.3:no. 6 (Jan. 1943-Jan. 1946)