Sorting these covers by decade
The Jungle by decade
Upton Sinclair
100 covers from 126 printings with a known year, 2020s back to 1900s
2020s
4 covers · 2 of 4 printings say paperback · 4 publishers, Norton & Company, Incorporated, W. W. and CreateSpace Independent Publishing Platform among them
2010s
21 covers · 15 of 26 printings say paperback · 13 publishers, Simon & Brown and Teratak Publishing among them
2000s
28 covers · 25 of 46 printings say paperback · 28 publishers, Icon Classics and ICON Classics among them
1990s
5 covers · 3 of 6 printings say paperback · 6 publishers, EBD and Globe Fearon among them
1980s
13 covers · 5 of 17 printings say paperback · 12 publishers, New American Library and Peachtree among them · 2 languages
1970s
2 covers · 1 publisher, R. Bentley
1960s
6 covers · 5 publishers, Heritage Press and New American Library among them
1950s
1 cover · 1 publisher, New American Library
1940s
2 covers · 5 publishers, Robert Bentley and Hard Press among them
1930s
2 covers · 2 publishers, Sh. Goldfarb and Upton Sinclair among them
1920s
2 covers · 1 publisher, Published by Upton Sinclair
1910s
2 covers · 1 publisher, Nakladom "Rusʹkoï Knyharnï"
1900s
12 covers · 2 of 13 printings say hardcover · 5 publishers, Doubleday, Page & Company and Grosset & Dunlap among them · 2 languages
Covers from Open Library, each in the decade of the earliest printing that carries it. What the catalogues never scanned is missing here too. See the whole wall.
