"Arnold Arboretum" . . . . . "Census data"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Records of the Director Charles Sprague Sargent"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Consists of administrative files of Charles Sprague Sargent as director of the Arboretum, including both letterpress copybooks and incoming correspondence. Material pertains to fund raising for collecting expeditions to China, Korea, Japan, and Tibet in the 1910s and 1920s and to horticulture at Arnold. Considerable correspondence exists with John Muir, 1897-1912; Ernest H. Wilson and Joseph Rock concerning their botanical collecting in Asia; and botanists in Europe and the United States. Also includes a folder with copies of outgoing correspondence from Harlan P. Kelsey, nurseryman, to Sargent and E.H. Wilson."@en . . . . . . . "Letterpress copy books"@en . . . . . . . . . . . . . . . . . . "Yellowstone National Park." . . . . "Yosemite National Park (Calif.)" . . "United States" . . "James Veitch & Sons." . . "Adirondack Park (N.Y.)" . .