Columbia subject headings:
Communal living--Library resources--United States.
Free love--Library resources--United States.
Nudism--Library resources--United States.
Sex customs--Library resources--United States.
Harvard subject headings:
Communal living--Library resources.
Communal living--United States--Library resources.
Free love--Library resources.
Free love--United States--Library resources.
Nudism--Library resources.
Nudism--United States--Library resources.
Sex customs--United States--Library resources.
Sexual freedom--Library resources.
Princeton subject headings:
Communal living--Library resources--United States.
Free love--Library resources--United States.
Nudism--Library resources--United States.
Sex customs--Library resources--United States.