
#4
Feb 1960
Catalog data from Metron and the Grand Comics Database is licensed CC BY-SA 4.0 and was normalized by The Collector. Cover images belong to their publishers.

#6
Aug 1960
Who made the most issues of this run, with the issues they span.
Who appears most often in this run, by issues they appear in.
The 3 Beep Beep issues of Four Color (Dell, 1942 Series) (Nos. 918, 1008, and 1046) are considered by Dell to be the first 3 issues of this series. Gold Key series began in 1966 with the title Beep Beep the Road Runner. Cover title for this series Beep Beep The Road Runner.
From the Grand Comics Database.