Chalmers Hadley (September 3, 1872 – May 11, 1958)[1][2] was an American librarian and educator. Hadley served as librarian of Denver Public Library from 1911 to 1924[3] and the Public Library of Cincinnati and Hamilton County from 1924 to 1945.[4]
He was president of the American Library Association from 1919 to 1920.[5]
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