| Title: | Progress Guide |
| Title note: | 1940s |
| 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 |
| Machine-readable format: | JSON |
The preparers of this page do not represent the publishers or the rightsholders of this publication. To the best of their knowledge, the information in it is correct, and complete within any limits specified above. It may still have inadvertent errors and omissions, however; if you know of any, please contact the page maintainer shown above. This page is not legal advice.
Copyright registration and renewal records -- First periodical renewals -- Deep backfile knowledge base
Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
Data on this copyright information page is CC0. See OBP copyrights and licenses.