Title from title screen (JSTOR, viewed July 14, 2004).
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Issued irregularly in parts which, in v. 1-54 are numbered consecutively no. 1-220; in later vols. the consecutive numbering was discontinued.
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