|Also known as:||March of Progress; Progress Digest|
|First renewed issue:||no issue renewals found in CCE|
|First renewed contribution in:||January 1945 (v. 8 no. 1); see 1972 July-December|
|Page responsibility:||John Mark Ockerbloom (ockerblo (at) pobox (dot) upenn (dot) edu)|
|Last updated:||March 15, 2018|
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