Issues for Apr. 8, 1976-Dec. 31, 1980 called: International airmail ed.
Description based on: Vol. 23, no. 8862 (Apr. 8, 1976).
Microfilm. Apr. 8, 1976-Dec. 31, 1980:[Gaps?] Washington, D.C. : Library of Congress, Photoduplication Service. microfilm reels ; 35 mm.