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

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