"American librarian" . "1907-06-16Z"^^ . "1907Z"^^ . "David Horace Clift"@en . "David Horace Clift (June 16, 1907 \u2013 October 12, 1972) was a noted American librarian and former chief executive of the American Library Association (ALA) from 1951 to 1972.He was named by the ALA as one of the 100 Most Important [Library] Leaders of the 20th Century."@en . . . . "1973-10-12Z"^^ . "1973Z"^^ . "Clift, David Horace"@en .