Columbia subject headings:
Gay men--Psychology.
Gay men--Sexual behavior.
Homosexuality.
Psychosexual development.
Harvard subject headings:
Gay men--Mental health--United States.
Gay men--Psychology
Gay men--Sexual behavior
Gay men--Sexual behavior--United States
Gay men--United States--Psychology
Homosexuality.
Psychoanalysis and homosexuality--United States.
Psychosexual development--United States.
Psychosexual development.
Princeton subject headings:
Gay men--Psychology.
Gay men--Sexual behavior.
Homosexuality.
Psychosexual development.