Columbia subject headings:
Models (Clay, plaster, etc.)--Congresses.
Plaster casts--Congresses.
Plaster sculpture--Congresses.
Sculpture--Reproduction--Congresses.
Harvard subject headings:
Models (Clay, plaster, etc.)--Congresses.
Plaster casts--Congresses.
Plaster sculpture--Congresses.
Sculpture--Reproduction--Congresses.
Princeton subject headings:
Models (Clay, plaster, etc.)--Congresses.
Plaster casts--Congresses.
Plaster sculpture--Congresses.
Sculpture--Reproduction--Congresses.