Columbia subject headings:
Masculinity.
Men--Sexual behavior--United States.
Men--United States.
Sex role.
Harvard subject headings:
Masculinity--United States
Masculinity.
Men--Sexual behavior--United States
Men--Sexual behavior--United States.
Men--United States
Sex role
Sex role--United States
Princeton subject headings:
Masculinity.
Men--Sexual behavior.
Men--United States.
Sex role.