Cumpston, I.M.
Lord Bruce of Melbourne
Longman, 1989
 Buku Teks SO
Burdette, Marcia M.
Zambia : between two worlds
Westview Press, 1988
 Buku Teks SO
Compton-Burnett, Ivy
Two worlds and their ways
Nwe York : A.A. Knopf, 1949.
 Buku Teks
Hackforth-Jones, Penne
Barbara Baynton : between two worlds / Penne Hackforth-Jones
Penguin Books, 1989
 Buku Teks SO
Munnings, Peter
Between two worlds a photo documentary of the tause culture of Irian Jaya Indonesia and
Jayapura UNCEN-SIL 1990
 Buku Teks