Columbia subject headings:
Law--Study and teaching (Elementary)--United States.
Law--Study and teaching (Secondary)--United States.
Harvard subject headings:
Law--Study and teaching (Elementary)--United States
Law--Study and teaching (Elementary)--United States--Congresses.
Law--Study and teaching (Secondary)--United States
Law--Study and teaching (Secondary)--United States--Congresses.
Teachers--Training of--United States--Congresses
Princeton subject headings: