Thomas, Lowell
The silent war in Tibet / by Lowell Thomas
Doubleday , 1959
 Buku Teks
Tibet
edited by Dafu Jiang, Yu Mang, Genevieve Rudolf
CYPI Press, 2009
 Buku Teks
Carson, Rachel L.
Silent spring
Houghton Miffiln, 1962
 Buku Teks
Carson, Rachel L.
Silent spring
Houghton Mifflin, 1962
 Buku Teks SO
Maraini, Fosco
Secret Tibet
Grove Press, 1950
 Buku Teks SO