Descripción
Publicado:Began with Vol. 2, issue 1 (Nov. 1916)
Notas:Imprint varies.
Descripción Física:Online resource
Frecuencia de Publicación:Eight times a year, 2010-
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:19406487
Encontrar Ayuda:Vols. 1-20, 1915-May 1938, in v. 20.