Columbia subject headings:
Practice of law--United States--Congresses.
Trial practice--United States--Congresses.
Harvard subject headings:
Law--United States--Congresses.
Lawyers--Specialties and specialists--United States--Congresses.
Lawyers--Specialties and specialists--United States.
Lawyers--United States
Princeton subject headings:
Practice of law--United States--Congresses.
Trial practice--United States--Congresses.