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