United Features, 1938 Series
 
Cover for Single Series (United Features, 1938 series) #1
Cover for Single Series (United Features, 1938 series) #2 (1)
Cover for Single Series (United Features, 1938 series) #3
Cover for Single Series (United Features, 1938 series) #4 (1)
Cover for Single Series (United Features, 1938 series) #5
Cover for Single Series (United Features, 1938 series) #6 (1)
Cover for Single Series (United Features, 1938 series) #7 [10 cent cover price]
Cover for Single Series (United Features, 1938 series) #7 [15 cent cover price]
Cover for Single Series (United Features, 1938 series) #8
Cover for Single Series (United Features, 1938 series) #9
Cover for Single Series (United Features, 1938 series) #10
Cover for Single Series (United Features, 1938 series) #11
Cover for Single Series (United Features, 1938 series) #12
Cover for Single Series (United Features, 1938 series) #13
Cover for Single Series (United Features, 1938 series) #14
Cover for Single Series (United Features, 1938 series) #15
Cover for Single Series (United Features, 1938 series) #1 [2nd Edition]
Cover for Single Series (United Features, 1938 series) #5 (1) [2nd Edition]
Cover for Single Series (United Features, 1938 series) #16
Cover for Single Series (United Features, 1938 series) #17
Cover for Single Series (United Features, 1938 series) #18 (2)
Cover for Single Series (United Features, 1938 series) #19 (2)
Cover for Single Series (United Features, 1938 series) #20
Cover for Single Series (United Features, 1938 series) #21 (2)
Cover for Single Series (United Features, 1938 series) #22
Cover for Single Series (United Features, 1938 series) #23 (1)
Cover for Single Series (United Features, 1938 series) #24 (1)
Cover for Single Series (United Features, 1938 series) #25 (1)
Cover for Single Series (United Features, 1938 series) #26 (2)
Cover for Single Series (United Features, 1938 series) #27
Cover for Single Series (United Features, 1938 series) #28