Columbia subject headings:
Harvard subject headings:
Hospitality--Germany--Caricatures and cartoons.
Hospitality--Germany--History.
Hospitality--Germany--Humor.
Hospitality--Germany--Pictorial works.
Princeton subject headings:
Hospitality--Germany--Caricatures and cartoons.
Hospitality--Germany--History.
Hospitality--Germany--Humor.
Hospitality--Germany--Pictorial works.