Text ( visual ) : unmediated Discovering America, 1700-1875 / by Henry Savage, Jr. -- 1st ed. -- New York : Harper & Row , c1979. -- xvii, 394 p. : ill., facsims., maps, ports. ; 22 cm. -- (The new American nation series). -- "Bibliographical essay": p. 358-382 ; Includes index. -- ISBN 0060137827 ; (BA65018923) ; https://ci.nii.ac.jp/ncid/BA65018923 Author Heading(s): Savage, Henry. -- Classification(s): LCC : E162 ; DC : 973. -- Subject Heading(s): LCSH : United States -- Description and travel ; LCSH : Natural history -- United States