Mackintosh, A.S.
The development of firms an empirical study with special reference to the economic effects of taxation/ A.S. Mackintosh
Cambridge University Press , 1963
 Buku Teks
Tan, Ta Sen
Culture contact and its impact on china and shoutheast asia with special reference to cheng ho's voyages
2007
 UI - Disertasi (Membership)
Thurnwald, Richard C.
Black and white in East Africa; the fabric of a new civilization: a study in social contact and adaptation of life in East Africa, by Richard C. Thurnwald
George Routledge and Sons, 1935
 Buku Teks
Wilson, Paul R.
Black dealth White hands
George Allen and Unwin, 1982
 Buku Teks
Brower, Anne C.
Arthritis in black and white
Elsevier/Saunders, 2012
 Buku Teks