Columbia subject headings:
Harvard subject headings:
Eugenics--Government policy--Congresses.
Heredity, Human--Congresses.
Miscegenation--Congresses.
Race--Congresses.
Princeton subject headings:
Eugenics--Government policy--Congresses.
Heredity, Human--Congresses.
Miscegenation--Congresses.
Race--Congresses.