Columbia subject headings:
Harvard subject headings:
Los Angeles (Calif.)--Ethnic relations--History--20th century.
Los Angeles (Calif.)--History--20th century.
Los Angeles (Calif.)--Population.
Los Angeles (Calif.)--Race relations--History--20th century.
Los Angeles (Calif.)--Social conditions--20th century.
Minorities--California--Los Angeles--History--20th century.
Minorities--California--Los Angeles--Social conditions--20th century.
Princeton subject headings:
Los Angeles (Calif.)--History--20th Century.
Los Angeles (Calif.)--Social conditions--20th Century.
Minorities--Los Angeles (Calif.)--History--20th Century.