Columbia subject headings:
Harvard subject headings:
Babism--History.
Babism.
Iran--Intellectual life.
Iran--Religious life and customs.
Social sciences--Iran--Philosophy--History.
Princeton subject headings:
Iran--Intellectual life--19th century.
Iran--Intellectual life--20th century.
Mīrzā Kūchak, Yūnus, 1880 or 1881-1921.
Ṭālibūf, ʻAbd al-Raḥīm, 1834?-1910.