Columbia subject headings:
Vámbéry, Ármin, 1832-1913.
Harvard subject headings:
Turcologists--Hungary--Biography.
Turkey--Foreign relations--Great Britain--Espionage.
Turkey--Foreign relations.
Vámbéry, Ármin, 1832-1913.
Princeton subject headings:
Vámbéry, Ármin, 1832-1913.