Columbia subject headings:
Executive power--United States--Congresses.
Government litigation--United States--Congresses.
United States. Department of Justice--Congresses.
Harvard subject headings:
Executive power--United States--Congresses.
Government litigation--United States--Congresses.
United States. Department of Justice--Congresses.
Princeton subject headings:
Executive power--United States--Congresses.
Government litigation--United States--Congresses.
United States. Department of Justice--Congresses.