Columbia subject headings:
Doctor of philosophy degree--United States.
Women engineers--United States.
Women in engineering--United States.
Women in science--United States.
Women scientists--United States.
Women--Education (Graduate)--United States.
Harvard subject headings:
Doctor of philosophy degree--United States.
Women engineers--United States.
Women in engineering--United States
Women in science--United States
Women scientists--United States
Women--United States--Education (Graduate)
Princeton subject headings:
Women engineers--United States.
Women in engineering--United States.
Women in science--United States.
Women scientists--United States.