Harry Truman actually said...
It is hereby ordered that any income, excess -profits, declared value excess-profits, capital stock, estate, or gift tax return for any period to and including 1950 shall, during the Eighty-second Congress, be open to Inspection by the Senate Committee on Rules and Administration or any duly authorized subcommittee thereof.
Context
Executive Order 10321—Inspection of Income, Excess-Profits, Declared Value Excess-Profits, Capital Stock, Estate, and Gift...
01/23/1952