Columbia subject headings:
Authors, German--Travel--United States.
Hoppe, Felicitas, 1960---Travel--United States.
United States--Description and travel.
Harvard subject headings:
Authors, German--Travel--United States.
Hoppe, Felicitas, 1960---Travel--United States.
United States--Description and travel.
Princeton subject headings:
Authors, German--Travel--United States.
Hoppe, Felicitas, 1960---Travel--United States.
United States--Description and travel.