Electronically printed copy. New York, NY : Printed and distributed by NewspaperDirect, 44 cm. Microfilm. June 1953- [Gaps?] : [Chicago, Ill. : University of Chicago, Library of Photographic Reproduction [for] Midwest Inter-Library Center [i.e. Center for Research Libraries] microfilm reels ; 35 mm. Microproducer varies: issues for Dec. 1, 1993- filmed by Preservation Resources for Center for Research Libraries.