Columbia subject headings:
Harvard subject headings:
Big Thicket National Preserve (Tex.)
Fire Island National Seashore (N.Y.)
Midway, Battle of, 1942--Monuments--Midway Islands.
Presidents' spouses--United States--Anniversaries, etc.
Real property, Exchange of--New York (State)
Real property, Exchange of--Texas.
White House Historical Association--Endowments.
Princeton subject headings:
Big Thicket National Preserve (Tex.)
Fire Island National Seashore (N.Y.)
Midway, Battle of, 1942--Monuments--Midway Islands.
Presidents' spouses--United States--Anniversaries, etc.
Real property, Exchange of--New York (State).
Real property, Exchange of--Texas.
White House Historical Association--Endowments.