Sargent, Charles Sprague: The Silva of North America : a description of the trees which grow naturally in North America exclusive of Mexico : . Coniferae (Pinus) / by Charles Sprague Sargent; illustr. and engrav. by : Charles Edward Faxon, Philibert and Eugène Picart. BostonNew YorkCambridge. Boston and New York : Houghton, Mifflin and Company ; Cambridge : The Riverside Press, MDCCCXCVII [1897]