Columbia subject headings:
Gifts--Taxation--Law and legislation--United States--Cases.
Inheritance and transfer tax--United States--Cases.
Internal revenue bulletin--Indexes.
United States. Internal Revenue Service. Internal revenue bulletin--Indexes.
Harvard subject headings:
Gifts--Taxation--Law and legislation--United States--Cases.
Inheritance and transfer tax--United States--Cases.
United States. Internal Revenue Service. Internal revenue bulletin--Indexes.
Princeton subject headings:
Gifts--Taxation--Law and legislation--United States--Cases.
Indexes.
Inheritance and transfer tax--United States--Cases.
United States. Internal Revenue Service. Internal revenuebulletin--Indexes.