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Start Over You searched for: Subjects National Library of Medicine (U.S.). Reference Services Division. Remove constraint Subjects: National Library of Medicine (U.S.). Reference Services Division. Authors Hubbard, Edward A. Remove constraint Authors: Hubbard, Edward A. Titles [Reference staff in the reference area] Remove constraint Titles: [Reference staff in the reference area] Genre Pictorial Works Remove constraint Genre: Pictorial Works Copyright Public domain Remove constraint Copyright: Public domain Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999

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