Columbia subject headings:
Caliphate--History--20th century.
Islam and politics.
Islamic fundamentalism.
Ḥizb al-Taḥrīr.
Harvard subject headings:
Caliphate--History--20th century.
Ḥizb al-Taḥrīr
Islam and politics
Islamic fundamentalism
Princeton subject headings:
Caliphate--History--20th century.
Ḥizb al-Taḥrīr.
Islam and politics.
Islamic fundamentalism.