Columbia subject headings:
Harvard subject headings:
Medicine--Iran--History--19th century.
Physicians--Austria--Biography
Physicians--Iran--Biography.
Polak, Jakob Eduard, 1818-1891
Princeton subject headings:
Iran--History--Qajar dynasty, 1794-1925.
Medicine--Iran--History--19th century.
Physicians--Austria--Biography.
Polak, Jakob Eduard, 1818-1891.