Columbia subject headings:
Harvard subject headings:
Burroughs, John, 1837-1921--Travel--East (U. S.)
Burroughs, John, 1837-1921.
Camping
East (U.S.)--Description and travel.
Edison, Thomas A. (Thomas Alva), 1847-1931
Edison, Thomas A. (Thomas Alva), 1847-1931--Travel--East (U. S.)
Firestone, Harvey Samuel, 1868-1938--Travel--East (U. S.)
Firestone, Harvey Samuel, 1868-1938.
Ford, Henry, 1863-1947--Travel--East (U. S.)
Ford, Henry, 1863-1947.
United States--Description and travel.
Princeton subject headings:
Burroughs, John, 1837-1921.
Camping--United States.
Edison, Thomas A. (Thomas Alva), 1847-1931.
Firestone, Harvey Samuel, 1868-1938.
Ford, Henry, 1863-1947.
United States--Description and travel.