Ross's Adventures of the first settlers on the Oregon or Columbia River, 1810-1813

Reuben Gold Thwaites

《Ross's Adventures of the first settlers on the Oregon or Columbia River, 1810-1813》，Reuben Gold Thwaites。这是一部关于历史、冒险、旅行的公版作品，适合在安静的片刻里慢慢读下去。