Columbia subject headings:
Sex (Psychology)--Handbooks, manuals, etc.
Sex customs--Handbooks, manuals, etc.
Sex--Handbooks, manuals, etc.
Sexual disorders--Handbooks, manuals, etc.
Harvard subject headings:
Sex (Psychology)--Handbooks, manuals, etc.
Sex--Handbooks, manuals, etc.
Sexual disorders--Handbooks, manuals, etc.
Princeton subject headings:
Sex (Psychology)--Handbooks, manuals, etc.
Sex customs--Handbooks, manuals, etc.
Sex--Handbooks, manuals, etc.
Sexual disorders--Handbooks, manuals, etc.