Coon, Carleton S.
The races of Europe
Macmillan, 1948
Buku Teks
Boyd, William C.
Races and people
Abelard-Schuman, 1955
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