Columbia subject headings:
Automobile travel--United States.
Copeland, Estella M. (Estella McNutt), 1879-1938.
United States--Description and travel.
Harvard subject headings:
Automobile travel--United States
Copeland, Estella M. (Estella McNutt), 1879-1938.
United States--Description and travel.
Princeton subject headings:
Automobile travel--United States.
Copeland, Estella M. (Estella McNutt), 1879-1938.
United States--Description and travel.