If

Copyright information

Title:If
Also known as:Worlds of If; Worlds of Science Fiction
Online content:Free online material via The Online Books Page
Tables of contents:ISFDB, FictionMags
More information:Wikipedia article; Wikidata
First issue:March 1952 (v. 1 no. 1)
First renewed issue:no issue renewals found in registered works database
First automatically renewed issue:May 1964 (v. 14 no. 2), © February 2, 1964
First renewed contribution in:March 1952 (v. 1 no. 1); see registered works database

Renewed contributions

This includes all active contribution renewals prior to 1964, when automatic renewals began. It might not show all renewals from 1964 onward.

Additional note

The March 1964 issue has a 1964 copyright notice, but the CCE states that its actual copyright date was December 23, 1963.

Page information

Page responsibility:John Mark Ockerbloom (ockerblo (at) pobox (dot) upenn (dot) edu)
Acknowledgement:Thanks to Nat Bender for copyright research on this title.
Last updated:August 1, 2024
Machine-readable format:JSON

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Copyright registration and renewal records -- First periodical renewals -- Deep backfile knowledge base

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