The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 3.
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Originally credited to Battefield, but this art is much more accurate than his. Carlson is credited on Buck Jones by Jerry Bails' Who's Who, and he can be recognised by his horses with rather long, narrow tapering heads, like a sea horse, and especially his way of drawing the legs of horses. On panel 4 on page 1 is to notice the outstreched frontlegs the brown horse, almost standing like a rocking horse. He often draw the legs of running horses streched out in front, and then always as if the upper outline is slightly concave. This leg rendering is very special for Carlson, and can also be found in his many Rocky Lane stories. He drew Buck Jones in about 25 issues of Master Comics.