Columbia subject headings:
Coolidge, Archibald Cary, 1866-1928.
Harvard University. Library--History.
Harvard subject headings:
Coolidge, Archibald Cary, 1866-1928.
Harvard University. Library--History.
Widener Library (Cambridge, Mass.)
Princeton subject headings:
Coolidge, Archibald Cary, 1866-1928.
Harvard University. Library--History.