Electronic reproduction. [S.l.] : 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
Starting with 2011, no. 27, available online only.
Description based on: No. 26 (2010); title from pdf title pg. (digital.lib.washington.edu, viewed Sept. 23, 2011).
Latest issue consulted: No. 29 (2013) (viewed May 13, 2014).