Descripción
Publicado:-DS-383 (Dec. 1980).
Began with DS 1, Sept. 1931.
descrición da copia:Description based on: DS-83 (July 18, 1938); title from caption.
Descrición Física:40 v. : ill. ; 26-28 cm.
Issued also in microfilm by University Microfilms International.
Frecuencia de Publicación:Five no. a year, <Sept./Oct. 1952>-Dec. 1980
ISSN:0011-5703
0734-9505