Columbia subject headings:
Income tax--United States.
Married women--Employment--United States.
Married women--United States.
Social security--United States.
Women--Employment--United States.
Harvard subject headings:
Income tax--United States.
Married women--Employment--United States.
Married women--United States.
Social security--United States
Women--Employment--United States.
Princeton subject headings:
Income tax--United States.
Married women--Employment--United States.
Married women--United States.
Social security--United States.
Women--Employment--United States.