Columbia subject headings:
Armor--Catalogs.
Armor--Illinois--Chicago--Catalogs.
Art Institute of Chicago--Catalogs.
Weapons--Catalogs.
Weapons--Illinois--Chicago--Catalogs.
Harvard subject headings:
Armor--Europe--Catalogs.
Armor--Private collections--Illinois--Chicago--Catalogs.
Art Institute of Chicago--Catalogs.
Art, Medieval--Private collections--Illinois--Chicago--Catalogs.
Art, Renaissance--Private collections--Illinois--Chicago--Catalogs.
Harding, George F., 1868-1939--Art collections--Catalogs.
Weapons--Europe--Catalogs.
Weapons--Private collections--Illinois--Chicago--Catalogs.
Princeton subject headings:
Armor--Catalogs.
Art Institute of Chicago--Catalogs.
Catalogs.
Weapons--Catalogs.