Columbia subject headings:
Income tax deductions for charitable contributions--United States.
Income tax--United States--Deductions--Charitable contributions.
Nonprofit organizations--Taxation--United States.
Tax exemption--United States.
Tax planning--United States.
Harvard subject headings:
Income tax deductions for charitable contributions--United States
Nonprofit organizations--Taxation--United States
Tax exemption--United States
Tax planning--United States.
Princeton subject headings: