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