. . . . "The Oregon journals of David Douglas : of his travels and adventures among the traders & Indians in the Columbia, Willamette and Snake River regions during the years 1825, 1826, & 1827"@en . . . "The Oregon journals of David Douglas, of his travels and adventures among the traders & Indians in the Columbia, Willamette and Snake river regions during the years 1825, 1826 & 1827" . . "The Oregon journals of David Douglass of his travels and adventures among the traders and Indians in the Columbia, Willamette and Snake River Regions during the years 1825, 1826 & 1827"@en . . . "The Oregon journals of David Douglas : of his travels and adven- tures among the traders and Indians in the Columbia, Willamette and Snake River regions during the years 1825, 1826 and 1827"@en . . . . "Oregon" . . . . "Northwest, Pacific" . .