Columbia subject headings:
Arabs--History--Indexes.
History--Philosophy--Indexes.
Ibn Khaldūn, 1332-1406. Kitāb al-ʻibar--Indexes.
Islamic countries--History--Indexes.
Sociology, Urban--Indexes.
Harvard subject headings:
Arabs--History--Indexes.
History--Philosophy--Indexes.
Ibn Khaldūn, 1332-1406. Kitāb al-ʻibar--Indexes.
Islamic countries--History--Indexes.
Sociology, Urban--Indexes.
Princeton subject headings: