Columbia subject headings:
Harvard University. Library--History.
Librarians--United States--Biography.
Metcalf, Keyes D. (Keyes DeWitt), 1889-1983.
Harvard subject headings:
Academic libraries--Massachusetts--Cambridge--History--20th century.
Harvard College Library.
Harvard University--Biography.
Harvard University--Libraries--Employees--Biography.
Harvard University. Library
Librarians--United States--Biography
Metcalf, Keyes D. (Keyes DeWitt), 1889-1983
Princeton subject headings:
Academic libraries--Massachusetts--Cambridge--History--20th century.
Harvard College Library.
Librarians--United States--Biography.
Metcalf, Keyes D. (Keyes DeWitt), 1889-1983.