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On sale date from the publication date and page count as submitted to the U.S. Copyright Office found in the Catalogue of Copyright Entries: Part 1; Group 2; Pamphlets, Leaflets, Contributions to Newspapers or Periodicals, Etc., Lectures, Sermons, Addresses for Oral Deliveries, Dramatic Compositions, Maps, Motion Pictures. 1922, New Series Volume 19, Number 5. Affidavit of publication arrived at Copyright Office on May 6, 1922. Two copies submitted to copyright office on May 5, 1922. Registered as class A book. Copyright registration number 661557. Copyright given to Fisher and Fisher, New York. Indexed from scanned copy at https://comicbookplus.com