Columbia subject headings:
Charitable uses, trusts, and foundations--Taxation--United States.
Charities--United States.
Corporations--United States--Finance.
Income tax--United States.
Harvard subject headings:
Charities--United States
Corporations--United States--Finance.
Income tax--United States.
Princeton subject headings:
Charities--United States.
Corporations--United States--Finance.
Income tax--United States.