"Bibliografia" at end of each number (except 32, abril 1920).
Cuaderno 33 is incorrectly numbered 32.
Suspended Dec. 1936-Dec. 1944, inclusive.
Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2010.
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. http://purl.oclc.org/DLF/benchrepro0212
Vols. 1-25, 1914-46. 1 v.; v. 1-50, 1914-71. 1 v.
Description based on: Tomo I, cuaderno I (febrero de 1914); title from PDF title page (HathiTrust Digital Library, University of California, Riverside copy, viewed Sept. 9, 2019).