Columbia subject headings:
Business education--United States--Directories.
Engineering schools--United States--Directories.
Law schools--United States--Directories.
Medical colleges--United States--Directories.
Universities and colleges--United States--Graduate work--Directories.
Harvard subject headings:
Business education--United States--Directories
Engineering schools--United States--Directories.
Law schools--United States--Directories
Medical colleges--United States--Directories
Universities and colleges--United States--Graduate work--Directories
Princeton subject headings:
Business education--United States--Directories.
Directories.
Engineering schools--United States--Directories.
Law schools--United States--Directories.
Medical colleges--United States--Directories.
Universities and colleges--United States--Graduate work--Directories.