Polak, Jimmy Maurice, 1922-
Teruqblikken ap het Nederlands juristenblad
Tjeenk Willink, 1992
Buku Teks
Banton Michael
Race relations
Tavistock Publications, 1969
Buku Teks
Race and ethic
Buku Teks
Leiris, Michel
Race and culture
UNESCO, 1965
Buku Teks
Dunn, L.C.
Race and biology
UNESCO, 1953
Buku Teks