Columbia subject headings:
College teachers--Supply and demand--United States.
College teachers--United States.
Education, Higher--Economic aspects--United States.
Labor supply--Effect of education on--United States.
Harvard subject headings:
College teachers--Supply and demand--United States.
College teachers--United States.
Education, Higher--Economic aspects--United States
Labor supply--Effect of education on--United States.
Princeton subject headings:
College teachers--United States--Supply and demand.
College teachers--United States.
Education, Higher--Economic aspects--United States.
Labor supply--Effect of education on--United States.