Columbia subject headings:
Gifts--Taxation--United States--Periodicals.
Income--United States--Statistics--Periodicals.
Inheritance and transfer tax--United States--Statistics--Periodicals.
Harvard subject headings:
Gifts--Taxation--United States--Periodicals.
Income--United States--Statistics--Periodicals.
Inheritance and transfer tax--United States--Statistics--Periodicals.
Princeton subject headings:
Gifts--Taxation--United States--Periodicals.
Income--United States--Statistics--Periodicals.
Inheritance and transfer tax--United States--Statistics--Periodicals.
Periodicals.
Statistics.