Columbia subject headings:
Harvard subject headings:
Büscher, Wolfgang, 1951---Travel--Europe, Eastern.
Europe, Eastern--Description and travel
Gauss, Karl-Markus--Travel--Europe, Eastern.
Princeton subject headings:
Büscher, Wolfgang, 1951---Travel--Europe, Eastern.
Europe, Eastern--Description and travel.
Gauss, Karl-Markus--Travel--Europe, Eastern.