Publishers: Pendragonian Publications; Hell’s Kitchen, NY.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1996 | # 1 Summer |
# 2 Autumn |
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| 1997 | # 3 Wynter |
# 4 Midsummer |
# 5 Autumn |
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| 1998 | # 6 Wynter |
# 7 Midsummer |
# 8 Autumn |
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| 1999 | # 9 Wynter |
#10 Midsummer |
 #11 Autumn |
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| 2000 | v5 #1 #12 Wynter |
 #13 Midsummer |
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| 2001 |  v6 #1 & 2 #14 |
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| 2004 |  v7 #1 #15 |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 2011 |  v1 #1 Oct |
 v1 #2 Nov |
 v1 #3 Dec |
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| 2012 |  v1 #4 Jan |
 v1 #5 Feb |
 v1 #6 Mar |
 v1 #7 Apr |
 v1 #8 May |
 v1 #9 Jun |
 v1 #10 Jul |
 v1 #11 Aug |
 v1 #12 Sep |
 v2 #1 Oct |
 v2 #2 Nov |
 v2 #3 Dec |
|
| 2013 |  v2 #4 Jan |
 v2 #5 Feb |
 v2 #6 Mar |
 v2 #7 Apr |
 v2 #8 May |
 v2 #9 Jun |
 v2 #10 Jul |
 v2 #11 Aug |
 v2 #12 Sep |
 v3 #1 Oct |
 v3 #2 Nov |
 v3 #3 Dec |
|
| 2014 |  v3 #4 Jan |
 v3 #5 Feb |
 v3 #6 Mar |
 v3 #7 Apr |
 v3 #8 May |
 v3 #9 Jun |
 v3 #10 Jul |
 v3 #11 Aug |
 v3 #12 Sep |
 v4 #1 Oct |
 v4 #2 Nov |
 v4 #3 Dec |
|
Semi-professional magazine.
Publishers: Perdition Press; Chicago.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1988 |  #0 Spring |
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— Seldon Seen
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1967 |  #1 Apr |
 #2 Jul/Aug |
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— Perihelion
Title changed from Seldon Seen.
Publishers: Sam Bellotto, Jr.; Elmhurst, NY.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | mid-Dec | |
| Winter | Spring | Summer | Fall | Winter | |||||||||
| 1967 |  #3 Nov/Dec |
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| 1968 |  #4 Feb/Mar |
 #5 May/Jun |
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| 1969 |  #6 Jan/Feb |
 #7 Summer |
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| 2012 |  Nov 12 |
 Dec 12 |
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| 2013 |  Jan 12 |
 Feb 12 |
 Mar 12 |
 Apr 12 |
 May 12 |
 Jun 12 |
 Jul 12 |
 Aug 12 |
 Sep 12 |
 Oct 12 |
 Nov 12 |
 Dec 12 |
|
| 2014 |  Jan 12 |
 Feb 12 |
 Mar 12 |
 Apr 12 |
 May 12 |
 Jun 12 |
 Jul 12 |
 Aug 12 |
 Sep 12 |
 Oct 12 |
 Nov 12 |
 Dec 12 |
|
| 2015 |  Jan 12 |
 Feb 12 |
 Mar 12 |
 Apr 12 |
 May 12 |
 Jun 12 |
 Jul 12 |
 Aug 12 |
 Sep 12 |
 Oct 12 |
 Nov 12 |
 Dec 12 |
|
| 2016 |  Jan 12 |
 Feb 12 |
 Mar 12 |
 Apr 12 |
 May 12 |
 Jun 12 |
 Jul 12 |
 Aug 12 |
 Sep 12 |
 Nov 12 |
 Dec 12 |
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| 2017 |  Jan 12 |
 Feb 12 |
 Mar 12 |
 Apr 12 |
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| 2018 |  Jan 12 |
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