Columbia subject headings:
Harvard subject headings:
Birth control--Austria--History--20th century.
Birth control--United States--History--20th century.
Human reproduction--Austria--History--20th century.
Human reproduction--Government policy--Austria--History--20th century.
Human reproduction--Government policy--United States--History--20th century.
Human reproduction--History--20th century.
Human reproduction--United States--History--20th century.
Princeton subject headings:
Birth control--Political aspects--Austria--History--20th century.
Birth control--Political aspects--United States--History--20th century.
Human reproduction--Political aspects--Austria--History--20th century.
Human reproduction--Political aspects--United States--History--20th century.