Columbia subject headings:
Federal government--United States--History--Congresses.
Separation of powers--United States--History--Congresses.
Harvard subject headings:
Federal government--United States--History--Congresses.
Separation of powers--United States--History--Congresses.
Princeton subject headings:
Federal government--United States--History--Congresses.
Separation of powers--United States--History--Congresses.