Yoo, Hyo-jin
The Story of two sisters / Yoo Hyo-jin
Yon Lim kati nol, 2010
 Buku Teks
Burdette, Marcia M.
Zambia : between two worlds
Westview Press, 1988
 Buku Teks SO
Hewett, Dorothy, 1923-2002
Bon-bons and roses for Dolly the Tatty hollow story : two plays
Currency, 1976
 Buku Teks SO
Goetz, Delia
The good neighbors : the story of the two Americas / Delia Goetz, Varian Fry
The Foreign Policy Association, 1939
 Buku Teks SO
Brzenzunski, Zbigniew
Between two ages: America's role in the technetronic era
Greenwood Press, 1970
 Buku Teks SO