Columbia subject headings:
Bronze sculpture--Conservation and restoration--United States--Congresses.
Outdoor sculpture--Conservation and restoration--United States--Congresses.
Harvard subject headings:
Bronze sculpture--Conservation and restoration--United States--Congresses.
Outdoor sculpture--Conservation and restoration--United States--Congresses.
Outdoor sculpture--United States--Conservation and restoration--Congresses.
Princeton subject headings:
Bronze sculpture--Conservation and restoration--United States--Congresses.
Outdoor sculpture--Conservation and restoration--United States--Congresses.