1. [Reference area staff] Author(s): Hubbard, Edward A., photographer Publication: 1964 Subject(s): Libraries, MedicalLibrariansNational Library of Medicine (U.S.). Reference Services Division.
2. [Main entrance to the National Library of Medicine] Author(s): Hubbard, Edward A., photographer Publication: Produced: [between 1960 and 1969?] Subject(s): Libraries, MedicalNational Library of Medicine (U.S.)
