Columbia subject headings:
College graduates--Employment--United States.
Doctor of philosophy degree--United States.
Harvard subject headings:
College graduates--Employment--United States.
Doctor of philosophy degree--United States.
Sex discrimination in employment--United States
Women engineers--Employment.
Women in science--Employment.
Women in the professions--United States
Princeton subject headings:
Sex discrimination in employment--United States--Statistics.
Women college graduates--Employment--United States--Statistics.