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Sinking Continents

J. R. Marks

First published September 1950
Type Essay

Publications (3)

Date Publication Publisher Type Page
September 1950 Amazing Stories, September 1950 Ziff-Davis Publishing Company MAGAZINE 113
1951 Amazing Stories Quarterly (Reissue), Spring 1951 Ziff-Davis MAGAZINE 113 |14
December 1969 Science Fiction Greats, Winter 1969 Ultimate Publishing Co., Inc. MAGAZINE 109