Columbia subject headings:
Harvard subject headings:
Businessmen--Germany--Biography
Stangen, Carl, 1833-1911.
Travel agents--Germany--History.
Travel writers--Germany--Biography.
Travelers' writings, German--History and criticism.
Travelers--Germany--Biography.
Princeton subject headings:
Businessmen--Germany--Biography.
Stangen, Carl, 1833-1911.
Tourism--Germany--History.
Travel agents--Germany--History.
Travel writers--Germany--Biography.
Travelers' writings, German--History and criticism.
Travelers--Germany--Biography.
Voyages and travels.