Woodcock, George
Gabriel Dumont : the Métis chief and his lost world / George Woodcock.
Hurtig Publishers, 1975
Buku Teks
Dumont, Theron Q.
The Power of concentration: Bagaimana konsentrasi dapat mewujudkan keinginan anda = The Power of concentration / Theron Q. Dumont
Gramedia Pustaka Utama, 2012
Buku Teks SO