Dallin, David
Hollis & Carter, 1949
Buku Teks
The University of Chicago Press, 1983
Buku Teks
Foreign Languages Publishing House, 1959
Buku Teks
Chrusjtjov, N.S.
Bagian Penerangan Kedutaan Besar URSS, 1960
Buku Teks
Leonard, Wolfgang
Frederick A. Praeger, 1962
Buku Teks