Descripción
Publicado:No. 1 (Aug. 1, 1921)-no. 117 (May 1931); v. 11, no. 6 (June 1931)-
Notas:Title from title screen (viewed Jan. 2, 2014).
No SuDoc number issued until no. 34 (July 1924) which was C 18.5/3; changed to C 3.33: from Jan. 1924 to July 1930 ; C 18.35: from July 1930 to Feb. 1944 ; C 43.8: from Feb. 1944 to Dec. 1972 ; C 56.109: for v. 52 (Feb. 1973) to 55 ; C 59.11: after v.56. Source: Monthly catalog.
Frecuencia de Publicación:Monthly
Formato:Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
ISSN:19374534
Publicación relacionada:Cumulated 1994-2000 by annual CD-ROM publication with same title.
Acceso:Open access
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