Columbia subject headings:
Aḥmad Shāh Qājār, Shah of Iran, 1897-1929.
Iran--Foreign relations--Russia--Sources.
Russia--Foreign relations--Iran--Sources.
Russia. Posolʹstvo (Iran)--Sources.
Harvard subject headings:
Aḥmad Shāh Qājār, 1897-1929.
Iran--Foreign relations--Russia--Sources.
Russia--Foreign relations--Iran--Sources.
Russia. Posolʹstvo (Iran)--Sources.
Princeton subject headings: