Sorting these covers by decade
Kokoro by decade
夏目漱石 and Makiko Itoh
21 covers from 25 printings with a known year, 2020s back to 1950s
2020s
2 covers · 2 of 2 printings say hardcover · 2 publishers, SATORI EDICIONES and Mint Editions among them
2010s
5 covers · 4 of 5 printings say paperback · 5 publishers, Quaterni and Lulu.com among them
2000s
7 covers · 7 of 10 printings say paperback · 6 publishers, ReadHowYouWant.com and Quiet Vision Pub among them · 3 languages
1990s
1 cover · 1 publisher, Madison Books
1980s
2 covers · 3 publishers, Owen Limited, Peter and Arena among them
1970s
1 cover · 1 publisher, Manesse-Verlag
1960s
2 covers · 2 publishers, Tuttle and Peter Owen among them
1950s
1 cover · 1 publisher, Gateway Editions
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.