INFORMATION SCIENCE
IN THE
20TH CENTURY



1900 - 1910

1910 - 1920

1920 - 1930

1930 - 1940

1940 - 1950

1950 - 1954

1955 - 1960

1960 - 1964

1965 - 1970

1970 - 1980

1980 - 1990

1990 - present


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