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List of English-language 20th-century general encyclopedias
1900s
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910s
1910
1911
1912
1913
1914
1916
1917
1919
1920s
1920
1921
1922
1924
1925
1927
1928
1929
1930s
1930
1931
1932
1933
1934
1935
1936
1937
1938
1940s
1940
1943
1944
1946
1947
1948
1949
1950s
1953
1954
1955
1956
1957
1959
1960s
1960
1961
1963
1964
1965
1966
1967
1968
1970s
1971
1972
1973
1976
1977
1978
1979
1980s
1980
1981
1985
1990s
1991
1993
Britannica
- Tenth edition (supplement to the 9th) (1903)
- 11th edition of the Encyclopaedia Britannica (1910-1)
- Twelfth edition (1922) a 3-volume supplement to the eleventh edition was released that summarized the developments just before, during and after World War I; these three volumes, taken together with the eleventh edition of 1910, became known as the twelfth edition.
- These eventful years; the twentieth century in the making, as told by many of its makers; being the dramatic story of all that has happened throughout the world during the most momentous period in all history, (1924)
- Thirteenth edition (1926) three new volumes covering the history of 1910–1926, which were intended to supplant those of the twelfth edition. Again taken together with the eleventh edition, the new volumes became known as the thirteenth edition.
- Fourteenth edition (1929) after this the Britannica began a policy of continuous revision.
- 10 Eventful Years (1947) a special supplement on 1937-1947 - the Second World War, as well as the years immediately preceding it and following it.
- Fifteenth edition, first version, other wise known as the New Encyclopædia Britannica (1974) this began the change of format into Propædia, Micropædia, and Macropædia, as well as eschewing an index.
- Fifteenth edition, second version (1985) restored the index as a two volume supplement, streamlined the three type format for easier use.
- Encyclopædia Britannica Ultimate Reference Suite (2004)
- Britannica Global Edition (2010)
Other English language Britannica publications
See also
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