On sale date from the publication date and the volume number found at the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 35, 1940, Number 2. Class B periodical. Copyright number B 460355. Volume number not listed in the comic's indicia.
The Who's Who suggests, as do Mike Kooiman and Jim Amash in the Quality Companion, that Kiefer not only created this feature, but did the art for it through the strip's entire run. Kiefer is also usually considered to have written it.
All Gustavson credits verified and courtesy of Terry Gustafson, son of Paul Gustavson.
Runs on the bottom half of each Jane Arden page.
Richard Grey Jr. eventually assumes the identity of Senator Thomas Wright.