The Encyclopaedia of Islam : new edition, volume 1
E.J. Brill, 1986
 Buku Referensi
The Encyclopaedia of Islam : new edition, volume 3
E.J. Brill, 1986
 Buku Referensi
The Encyclopaedia of Islam : new edition, volume 2
E.J. Brill, 1986
 Buku Referensi
The Encyclopaedia of Islam : new edition, volume 4
E.J. Brill, 1986
 Buku Referensi
The Encyclopaedia of Islam : new edition, volume 5
E.J. Brill, 1986
 Buku Referensi