"Yukon" . . "Northwest Territories" . . . . "Yukon (Canada ; cours d'eau)" . . "Mackenzie River (N.W.T.)" . . . . . . . . . . . . . "Down the Mackenzie and up the Yukon in 1906" . "Down the Mackenzie and up the Yukon in 1906"@en . . . . . . . . . . . . . . . "Popular account of the author's trip as superintendent of Forestry for Canada, down the Athabasca, Slave, and Mackenzie rivers and up the Yukon River to Skagway." . "Popular account of the author's trip as superintendent of Forestry for Canada, down the Athabasca, Slave, and Mackenzie rivers and up the Yukon River to Skagway."@en . . "Down the Mackenzie and up the Yukon in 1906. With a map and ... photographs"@en . . . . "Down the Mackenzie and up the Yukon in 1906 ... With a map and thirty illustrations from photographs"@en . . . . . . . "Mackenzie, Fleuve (T.N.-O.)" . . "Nord-Ouest canadien" . . "Mackenzie (Canada ; cours d'eau)" . . "Territoires du Nord-Ouest" . . "Yukon River and Valley" . . "Canada (nord)" . . "Mackenzie River." . . "Yukon, Vallée du (Yukon et Alaska)" . . "Yukon River Valley (Yukon and Alaska)" . . "Northwest, Canadian" . .