On sale date from publication date reported to the U.S. Copyright Office recorded in the Catalog of Copyright Entries, Third Series, Volume 30, Part 2, Number 2, Periodicals, July-December 1976. Copyright number B140073.
Professor Protein; Mrs Rich; Cadbury; Nurse Jenny; Chef Pierre; Richie Rich; Dollar
"Humor" added as the primary Genre, as most of the story revolves around the actions of adults, rather than children. Since Richie does appear in the last two panels, "children" remains as a secondary Genre.