A Historical View of Treaty 11 According to the Dene of the Mackenzie Valley" (1993); Yngve Georg Lithman, "The Feathers of a Bird and the Frosts of Winter:
A Historical View of Treaty 11 According to the Dene of the Mackenzie Valley», 1993; Yngve Georg Lithman, «The Feathers of a Bird and the Frosts of Winter: