Street & Smith's Unknown/Unknown Worlds
Although commonly referred to as Unknown, the magazine was actually called
Street & Smith's Unknown for the first 26 issues and Unknown Worlds for the
remaining 13 issues.
1939 |
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![](../data/thumbs2/u/unknown_193903_v1_n1_tn.jpg) v1 #1 Mar |
![](../data/thumbs2/u/unknown_193904_tn.jpg) v1 #2 Apr |
![](../data/thumbs2/u/unknown_193905_v1_n3_tn.jpg) v1 #3 May |
![](../data/thumbs2/u/unknown_193906_tn.jpg) v1 #4 Jun |
![](../data/thumbs2/u/unknown_193907_tn.jpg) v1 #5 Jul |
![](../data/thumbs2/u/unknown_193908_tn.jpg) v1 #6 Aug |
![](../data/thumbs2/u/unknown_193909_tn.jpg) v2 #1 Sep |
![](../data/thumbs2/u/unknown_193910_tn.jpg) v2 #2 Oct |
![](../data/thumbs2/u/unknown_193911_tn.jpg) v2 #3 Nov |
![](../data/thumbs2/u/unknown_193912_tn.jpg) v2 #4 Dec |
1940 |
![](../data/thumbs2/u/unknown_194001_tn.jpg) v2 #5 Jan |
![](../data/thumbs2/u/unknown_194002_tn.jpg) v2 #6 Feb |
![](../data/thumbs2/u/unknown_194003_tn.jpg) v3 #1 Mar |
![](../data/thumbs2/u/unknown_194004_tn.jpg) v3 #2 Apr |
![](../data/thumbs2/u/unknown_194005_tn.jpg) v3 #3 May |
![](../data/thumbs2/u/unknown_194006_tn.jpg) v3 #4 Jun |
![](../data/thumbs2/u/unknown_194007_tn.jpg) v3 #5 Jul |
![](../data/thumbs2/u/unknown_194008_tn.jpg) v3 #6 Aug |
![](../data/thumbs2/u/unknown_194009_tn.jpg) v4 #1 Sep |
![](../data/thumbs2/u/unknown_194010_tn.jpg) v4 #2 Oct |
![](../data/thumbs2/u/unknown_194011_tn.jpg) v4 #3 Nov |
![](../data/thumbs2/u/unknown_194012_tn.jpg) v4 #4 Dec |
1941 |
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![](../data/thumbs2/u/unknown_194102_tn.jpg) v4 #5 Feb |
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![](../data/thumbs2/u/unknown_194104_tn.jpg) v4 #6 Apr |
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![](../data/thumbs2/u/unknown_194106_tn.jpg) v5 #1 Jun |
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![](../data/thumbs2/u/unknown_194108_tn.jpg) v5 #2 Aug |
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![](../data/thumbs2/u/unknown_worlds_194110_tn.jpg) v5 #3 Oct |
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![](../data/thumbs2/u/unknown_worlds_194112_tn.jpg) v5 #4 Dec |
1942 |
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![](../data/thumbs2/u/unknown_worlds_194202_tn.jpg) v5 #5 Feb |
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![](../data/thumbs2/u/unknown_worlds_194204_tn.jpg) v5 #6 Apr |
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![](../data/thumbs2/u/unknown_worlds_194206_tn.jpg) v6 #1 Jun |
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![](../data/thumbs2/u/unknown_worlds_194208_tn.jpg) v6 #2 Aug |
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![](../data/thumbs2/u/unknown_worlds_194210_tn.jpg) v6 #3 Oct |
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![](../data/thumbs2/u/unknown_worlds_194212_tn.jpg) v6 #4 Dec |
1943 |
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![](../data/thumbs2/u/unknown_worlds_194302_tn.jpg) v6 #5 Feb |
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![](../data/thumbs2/u/unknown_worlds_194304_tn.jpg) v6 #6 Apr |
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![](../data/thumbs2/u/unknown_worlds_194306_tn.jpg) v7 #1 Jun |
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![](../data/thumbs2/u/unknown_worlds_194308_tn.jpg) v7 #2 Aug |
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![](../data/thumbs2/u/unknown_worlds_194310_tn.jpg) v7 #3 Oct |
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1939 |
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![](../data/thumbs2/u/unknown_uk_193909_tn.jpg) v2 #1 Sep |
![](../data/thumbs2/u/unknown_uk_193910_tn.jpg) v2 #2 Oct |
![](../data/thumbs2/u/unknown_uk_193911_tn.jpg) v2 #3 Nov |
![](../data/thumbs2/u/unknown_uk_193912_tn.jpg) v2 #4 Dec |
1940 |
![](../data/thumbs2/u/unknown_uk_194001_tn.jpg) v2 #5 Jan |
![](../data/thumbs2/u/unknown_uk_194002_tn.jpg) v2 #6 Feb |
![](../data/thumbs2/u/unknown_uk_194003_tn.jpg) v3 #1 Mar |
![](../data/thumbs2/u/unknown_uk_194004_tn.jpg) v3 #2 Apr |
![](../data/thumbs2/u/unknown_uk_194005_tn.jpg) v3 #3 May |
![](../data/thumbs2/u/unknown_uk_194006_tn.jpg) v3 #4 Jun |
![](../data/thumbs2/u/unknown_uk_194007_tn.jpg) v3 #5 Jul |
![](../data/thumbs2/u/unknown_uk_194008_tn.jpg) v3 #6 Aug |
![](../data/thumbs2/u/unknown_uk_194009_tn.jpg) v4 #1 Sep |
![](../data/thumbs2/u/unknown_uk_194010_tn.jpg) v4 #2 Oct |
![](../data/thumbs2/u/unknown_uk_194011_tn.jpg) v4 #3 Nov |
![](../data/thumbs2/u/unknown_uk_194012_tn.jpg) v4 #4 Dec |
1941 |
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![](../data/thumbs2/u/unknown_uk_194102_tn.jpg) v4 #5 Feb |
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![](../data/thumbs2/u/unknown_uk_194107_tn.jpg) v4 #6 Jul |
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1942 |
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![](../data/thumbs2/u/unknown_worlds_uk_194203_tn.jpg) v5 #5 Mar |
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![](../data/thumbs2/u/unknown_worlds_uk_194206_tn.jpg) v6 #1 Jun |
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![](../data/thumbs2/u/unknown_worlds_uk_194210_tn.jpg) v6 #3 Oct |
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1943 |
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![](../data/thumbs2/u/unknown_worlds_uk_194302_tn.jpg) v6 #4 Feb |
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![](../data/thumbs2/u/unknown_worlds_uk_194305_tn.jpg) v6 #5 May |
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![](../data/thumbs2/u/unknown_worlds_uk_194310_tn.jpg) Oct |
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1944 |
![](../data/thumbs2/u/unknown_worlds_uk_194401_tn.jpg) Jan |
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![](../data/thumbs2/u/unknown_worlds_uk_194405_tn.jpg) May |
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![](../data/thumbs2/u/unknown_worlds_uk_1944aut_tn.jpg) Autumn |
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1945 |
![](../data/thumbs2/u/unknown_worlds_uk_1945spr_tn.jpg) Spring |
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![](../data/thumbs2/u/unknown_worlds_uk_1945aut_tn.jpg) Autumn |
![](../data/thumbs2/u/unknown_worlds_uk_1945win_tn.jpg) Winter |
1946 |
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![](../data/thumbs2/u/unknown_worlds_uk_1946sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_uk_1946win_tn.jpg) Winter |
1947 |
![](../data/thumbs2/u/unknown_worlds_uk_1947spr_tn.jpg) Spring |
![](../data/thumbs2/u/unknown_worlds_uk_1947sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_uk_1947win_tn.jpg) Winter |
1948 |
![](../data/thumbs2/u/unknown_worlds_uk_1948spr_tn.jpg) Spring |
![](../data/thumbs2/u/unknown_worlds_uk_1948sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_uk_1948win_tn.jpg) Winter |
1949 |
![](../data/thumbs2/u/unknown_worlds_uk_1949spr_tn.jpg) Spring |
![](../data/thumbs2/u/unknown_worlds_uk_1949sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_uk_1949win_tn.jpg) Winter |
A local distribution of the British Reprint Edition with a different cover
price, but probably no other differences. Other issues may exist.
1942 |
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![](../data/thumbs2/u/unknown_worlds_aust_194203_tn.jpg) Mar |
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1943 |
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![](../data/thumbs2/u/unknown_worlds_aust_194305_tn.jpg) May |
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![](../data/thumbs2/u/unknown_worlds_aust_194310_tn.jpg) Oct |
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1944 |
![](../data/thumbs2/u/unknown_worlds_aust_194401_tn.jpg) Jan |
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![](../data/thumbs2/u/unknown_worlds_aust_194405_tn.jpg) May |
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![](../data/thumbs2/u/unknown_worlds_aust_1944aut_tn.jpg) Autumn |
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1945 |
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![](../data/thumbs2/u/unknown_worlds_aust_1945aut_tn.jpg) Autumn |
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1946 |
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![](../data/thumbs2/u/unknown_worlds_aust_1946win_tn.jpg) Winter |
1947 |
Spring |
![](../data/thumbs2/u/unknown_worlds_aust_1947sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_aust_1947win_tn.jpg) Winter |
1948 |
Spring |
![](../data/thumbs2/u/unknown_worlds_aust_1948sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_aust_1948win_tn.jpg) Winter |
1949 |
Spring |
![](../data/thumbs2/u/unknown_worlds_aust_1949sum_tn.jpg) Summer |
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![](../data/thumbs2/u/unknown_worlds_aust_1949win_tn.jpg) Winter |