P.L. Publishing, 1951 Series
 
Cover for Western Frontier (P.L. Publishing, 1951 series) #1
Issue 1
May-June 1951 (see note)
Add/replace cover
Cover for Western Frontier (P.L. Publishing, 1951 series) #2
Issue 2
July-August 1951
Add/replace cover
Cover for Western Frontier (P.L. Publishing, 1951 series) #3