Columbia subject headings:
Harvard subject headings:
America--Antiquities--Collection and preservation--Congresses.
Indians--Antiquities--Collection and preservation--Congresses.
Latin America--Antiquities--Collection and preservation--Congresses.
Salvage archaeology--America--Congresses.
Salvage archaeology--Latin America--Congresses.
Princeton subject headings:
America--Antiquities--Collection and preservation--Congresses.
Indians--Antiquities--Collection and preservation--Congresses.
Salvage archaeology--America--Congresses.