Columbia subject headings:
Germany.
Midwifery--Germany--History--19th century.
Midwifery--Germany--History--20th century.
Harvard subject headings:
Germany
Midwifery--Germany--History--19th century.
Midwifery--Germany--History--20th century.
Princeton subject headings:
Germany.
Midwifery--Germany--History--19th century.
Midwifery--Germany--History--20th century.