Columbia subject headings:
Law firms--United States--Directories.
Law--Vocational guidance--United States--Periodicals.
Harvard subject headings:
Law firms--United States--Directories.
Law--Vocational guidance--United States--Periodicals.
Princeton subject headings:
Directories.
Law firms--United States--Directories.
Law partnership--United States--Directories.
Lawyers--United States--Directories.