Columbia subject headings:
Engineering--Study and teaching (Graduate)--United States--Evaluation.
Universities and colleges--United States--Graduate work--Evaluation.
Harvard subject headings:
Doctor of philosophy degree--United States--Evaluation.
Engineering--Study and teaching (Higher)--United States--Evaluation.
Research--United States--Evaluation.
Princeton subject headings:
Engineering--Study and teaching (Graduate)--United States--Evaluation.
Universities and colleges--United States--Graduate work--Evaluation.