| Title: | The Progressive |
| More information: | Wikipedia article; Wikidata |
| Preceded by: | La Follette's Magazine |
| First issue: | December 7, 1929 (v. 1 no. 1) |
| First renewed issue: | no issue renewals found in CCE or registered works database |
| First automatically renewed issue: | February 1964, © January 27, 1964 |
| First renewed contribution in: | February 7, 1944; see 1971 January-June |
This includes all active contribution renewals prior to 1964, when automatic renewals began. It might not show all renewals from 1964 onward.
| Page responsibility: | John Mark Ockerbloom (ockerblo (at) pobox (dot) upenn (dot) edu) |
| Last updated: | March 23, 2020 |
| Machine-readable format: | JSON |
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Copyright registration and renewal records -- First periodical renewals -- Deep backfile knowledge base
Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
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