Columbia subject headings:
Disability insurance--United States.
People with disabilities--Employment--United States.
People with disabilities--United States--Statistics.
Harvard subject headings:
Disability insurance--United States--Statistics.
People with disabilities--Employment--United States--Statistics.
People with disabilities--United States--Statistics
Princeton subject headings:
Disability insurance--United States--Statistics.
People with disabilities--Employment--United States--Statistics.
People with disabilities--United States--Statistics.
Statistics.