Columbia subject headings:
Gīlān (Iran)--History--Sources.
Iran--History--20th century--Sources
Panislamism
Harvard subject headings:
Gīlān (Iran : Province)--History--Sources.
Iran--History--20th century--Sources.
Panislamism.
Princeton subject headings:
Gīlān (Iran : Province)--History--Sources.
Iran--History--20th century--Sources.
Panislamism.