Notes:
On sale date from Catalog of Copyright Entries, Third Series. Part 2: Periodicals: Vol 15 No 1, p 87. Registration No. B907198. No renewal record found on copyright.gov nor is any renewal notated in the Copyright Record Book Class B Vol 908, PART 1; Registration Numbers 907000-907499; 1961. Further information on the copyright can be found at https://www.loc.gov/item/coprecbooks-00502945622/ image 400.