Columbia subject headings:
Charities--United States--Bibliography.
Public welfare--United States--Bibliography.
United States--Social conditions--Bibliography.
Harvard subject headings:
Charities--United States--Bibliography.
Public welfare--United States--Bibliography.
United States--Social conditions--Bibliography.
Princeton subject headings:
Charities--United States--Bibliography.
Public welfare--United States--Bibliography.
United States--Social conditions--Bibliography.