On sale date as listed in the Catalog of Copyright Entries, 1952 Pamphlets, Serials, Contributions to Periodicals, page 648 as stated: Bushmiller, Ernie. Nancy and Sluggo. [Prev. pub. serially in Tip Top comics, no. 164, Sparkle comics, no. 10-11, and Sparkler comics, no. 93-94] 1 v. illus. (Nancy and Sluggo comics, no. 20) (c) on compilation; United Feature Syndicate, inc.; 1 Aug 1952; registration number AA222448.