Journal kept by David Douglas during his travels in North America 1823-1827, together with a particular description of thirty-three species of American oaks and eighteen species of Pinus, with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834. Published under the direction of the Royal Horticultural Society Douglas, David, 1799-1834 creator Royal Horticultural Society (Great Britain) contributor text book London W. Wesley & Son 1914 1914
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ENG Botany Description and travel North America Northwestern States Oak Pine QK110 .D7 https://www.biodiversitylibrary.org/bibliography/55864 5774397 15009721 10.5962/bhl.title.55864