Harvey, 1972 Series
 
Cover for Casper Space Ship (Harvey, 1972 series) #1
Cover for Casper Space Ship (Harvey, 1972 series) #2
Issue 2
October 1972
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Cover for Casper Space Ship (Harvey, 1972 series) #3
Issue 3
December 1972
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Cover for Casper Space Ship (Harvey, 1972 series) #4
Issue 4
February 1973
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Cover for Casper Space Ship (Harvey, 1972 series) #5