Douglas, David <br/><br/>
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 
 - New York :  Cambridge University Press,  c2011 
 - 364 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781108033770 1108033776 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--North America<br/>Oak<br/>Pine<br/>North America--Description and travel<br/>Northwest, Pacific--Description and travel