DC, 1958 Series
 
Challengers of the Unknown #1
Issue 1
April-May 1958
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Challengers of the Unknown #2
Issue 2
June-July 1958
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Challengers of the Unknown #3
Issue 3
August-September 1958
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Challengers of the Unknown #4
Issue 4
October-November 1958
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Challengers of the Unknown #5
Issue 5
December 1958-January 1959
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Challengers of the Unknown #6
Issue 6
February-March 1959
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Challengers of the Unknown #7
Issue 7
April-May 1959
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Challengers of the Unknown #8
Issue 8
June-July 1959
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Challengers of the Unknown #9
Issue 9
August-September 1959
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Challengers of the Unknown #10
Issue 10
October-November 1959
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Challengers of the Unknown #11
Issue 11
December-January 1960
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Challengers of the Unknown #12
Issue 12
February-March 1960
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Challengers of the Unknown #13
Issue 13
April-May 1960
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Challengers of the Unknown #14
Issue 14
June-July 1960
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Challengers of the Unknown #15
Issue 15
August-September 1960
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Challengers of the Unknown #16
Issue 16
October-November 1960
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Challengers of the Unknown #17
Issue 17
December-January 1960-1961
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Challengers of the Unknown #18
Issue 18
February-March 1961
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Challengers of the Unknown #19
Issue 19
April-May 1961
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Challengers of the Unknown #20
Issue 20
June-July 1961
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Challengers of the Unknown #21
Issue 21
September 1961
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Challengers of the Unknown #22
Issue 22
October-November 1961
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Challengers of the Unknown #23
Issue 23
December-January 1961-1962
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Challengers of the Unknown #24
Issue 24
February-March 1962
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Challengers of the Unknown #25
Issue 25
April-May 1962
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Challengers of the Unknown #26
Issue 26
June-July 1962
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Challengers of the Unknown #27
Issue 27
August-September 1962
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Challengers of the Unknown #28
Issue 28
October-November 1962
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Challengers of the Unknown #29
Issue 29
December-January 1962-1963
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Challengers of the Unknown #30
Issue 30
February-March 1963
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Challengers of the Unknown #31
Issue 31
April-May 1963
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Challengers of the Unknown #32
Issue 32
June-July 1963
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Challengers of the Unknown #33
Issue 33
August-September 1963
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Challengers of the Unknown #34
Issue 34
October-November 1963
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Challengers of the Unknown #35
Issue 35
December 1963 - January 1964
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Challengers of the Unknown #36
Issue 36
February-March 1964
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Challengers of the Unknown #37
Issue 37
April-May 1964
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Challengers of the Unknown #38
Issue 38
June-July 1964
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Challengers of the Unknown #39
Issue 39
August-September 1964
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Challengers of the Unknown #40
Issue 40
October-November 1964
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Challengers of the Unknown #41
Issue 41
December 1964 - January 1965
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Challengers of the Unknown #42
Issue 42
February-March 1965
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Challengers of the Unknown #43
Issue 43
April-May 1965
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Challengers of the Unknown #44
Issue 44
June-July 1965
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Challengers of the Unknown #45
Issue 45
August-September 1965
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Challengers of the Unknown #46
Issue 46
October-November 1965
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Challengers of the Unknown #47
Issue 47
December-January 1966
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Challengers of the Unknown #48
Issue 48
February-March 1966
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Challengers of the Unknown #49
Issue 49
April-May 1966
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Challengers of the Unknown #50
Issue 50
June-July 1966
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