Columbia subject headings:
Historiography.
History--Philosophy.
Ibn Khaldūn, 1332-1406.
Political science--Philosophy.
Political science.
Harvard subject headings:
Historiography
History--Philosophy
Ibn Khaldūn, 1332-1406--Contributions in political science.
Ibn Khaldūn, 1332-1406.
Political science--Philosophy
Princeton subject headings:
Historiography.
History--Philosophy.
Ibn Khaldūn, 1332-1406--Contributions in political science.
Ibn Khaldūn, 1332-1406.
Political science--Philosophy.