Cannadine, David
The decline and fall of the British Aristocracy / David Cannadine
Papermac, 1996
 Buku Teks
Commercial law in the Middle East
edited by Hilary Lewis Ruttley
[publisher not identified], 1995
 Buku Teks
Willcox, William B.
The age of aristocracy 1688 to 1830
D.C. Heath and Company, 1988
 Buku Referensi
Rogers, Margaret
Outline of the commercial law in East Africa / Margaret Rogers
Oceana Publications, 1969
 Buku Teks
The New Commercial directory of the Dutch East Indies 1932
Batavia: Nam Tiong Boek handel, 1932
 Buku Referensi