Columbia subject headings:
Abū Yūsuf Yaʻqūb, 731 or 732-798. Kharāj.
Real property tax (Islamic law)--Iraq.
Tithes (Islamic law)--Iraq.
Harvard subject headings:
Abū Yūsuf Yaʻqūb, 731 or 732-798. Kharāj.
Real property tax (Islamic law)--Iraq--Early works to 1800.
Tithes (Islamic law)--Iraq--Early works to 1800.
Princeton subject headings:
Abū Yūsuf Yaʻqūb, 731 or 732-798. Kharāj.
Real property tax (Islamic law)--Iraq.
Titles (Islamic law)--Iraq.