Columbia subject headings:
Education--United States--1945-1964.
New York City Public Schools.
Teaching--Vocational guidance.
Teaching.
Harvard subject headings:
Dunn, Joan.
Education--United States
Education--United States--1945-1964.
New York (N.Y.)--Public schools.
New York City Public Schools.
Public schools--New York (State)--New York
Teaching
Princeton subject headings:
Education--United States--1945-1964.
Public schools--New York (State)--New York.
Teaching.