Boyd, William C.
Races and people
Abelard-Schuman, 1955
Buku Teks
Coon, Carleton S.
The races of Europe
Macmillan, 1948
Buku Teks
Coon, Carleton S.
The origin of races
Alfred A. Knopf, 1962
Buku Teks
Murdock, George Peter
Africa
McGraw-Hill, 1959
Buku Teks
Murdock, George Peter
Africa
McGraw-Hill, 1959
Buku Teks