Columbia subject headings:
Charities--United States.
Charity organization.
Income tax deductions for charitable contributions.
Income tax deductions--Charitable contributions.
Nonprofit organizations--Taxation.
Harvard subject headings:
Charities--United States
Charity organization.
Income tax deductions for charitable contributions.
Nonprofit organizations--Taxation
Princeton subject headings:
Charities--United States.
Charity organization.
Income tax deductions for charitable contributions.
Nonprofit organizations--Taxation.