Columbia subject headings:
Harvard subject headings:
Isabel, Princess of Brazil, 1846-1921.
Obstetrics--Brazil--History--19th century.
Pregnancy--Brazil--History--19th century--Case studies.
Princeton subject headings:
Gynecology--Brazil--History--19th century.
Isabel, Princess of Brazil, 1846-1921.
Obstetrics--Brazil--History--19th century.