Marvel, 1963 Series
 
The X-Men #50
Issue 50
November 1968
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The X-Men #51
Issue 51
December 1968
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The X-Men #52
The X-Men #53
Issue 53
February 1969
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The X-Men #54
The X-Men #55
The X-Men #56
The X-Men #57
The X-Men #58
The X-Men #59
The X-Men #60
Issue 60
September 1969
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The X-Men #61
The X-Men #61
The X-Men #62
Issue 62
November 1969
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The X-Men #62
Issue 62
November 1969
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The X-Men #63
Issue 63
December 1969
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The X-Men #64
The X-Men #65
Issue 65
February 1970
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The X-Men #66
The X-Men #67
Issue 67
December 1970
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The X-Men #68
Issue 68
February 1971
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The X-Men #69
The X-Men #70
The X-Men #71
The X-Men #72
The X-Men #73
Issue 73
December 1971
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The X-Men #74
Issue 74
February 1972
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The X-Men #75
The X-Men #76
The X-Men #77
The X-Men #78
The X-Men #79
Issue 79
December 1972
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The X-Men #80
Issue 80
February 1973
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The X-Men #81
The X-Men #82
The X-Men #83
The X-Men #84
The X-Men #85
Issue 85
December 1973
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The X-Men #86
Issue 86
February 1974
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The X-Men #87
The X-Men #88
The X-Men #89
The X-Men #90
The X-Men #91
Issue 91
December 1974
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The X-Men #92
Issue 92
February 1975
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The X-Men #93
The X-Men #94
The X-Men #95
The X-Men #96
Issue 96
December 1975
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The X-Men #96