Columbia subject headings:
Harvard subject headings:
Embryology--History--18th century.
Haller, Albrecht von, 1708-1777.
Physiology--History--18th century.
Princeton subject headings:
Embryology, Human--Research--History--18th century.
Haller, Albrecht von, 1708-1777.
Physiology--Research--History--18th century.
Reproduction--Research--History--18th century.