Columbia subject headings:
Harvard subject headings:
American Library Association--History.
Federal aid to libraries--United States--History.
Libraries and state--United States--History.
Libraries--United States--History--20th century.
Library planning--History.
Princeton subject headings:
American Library Association--History.
Federal aid to libraries--United States--History.
Libraries and state--United States--History.
Libraries--United States--History--20th century.
Library planning--History.