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द्वारा Wilson, Andrew, 1959-
प्रकाशित 2013 -
Journal kept by David Douglas during his travels in North America 1823-1827together 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 1834Bookद्वारा Douglas, David, 1799-1834
प्रकाशित 1914 -
Royal Horticultural Society companion to wildlife gardeningManuscript Bookद्वारा Baines, Chris, 1947-
प्रकाशित 2016