Columbia subject headings:
Architecture--United States--History--20th century.
Cluster housing--United States.
Homesites--United States.
Harvard subject headings:
Architecture--United States--History--20th century
Architecture--United States--History--20th century.
Cluster housing--United States.
Homesites--United States.
Princeton subject headings:
Architecture--United States--History--20th century.
Cluster housing--United States.
Homesites--United States.