Columbia subject headings:
Harvard subject headings:
Culture and tourism--Germany--Hiddensee--Catalogs.
Culture and tourism--Germany--Sylt--Catalogs.
Culture and tourism--Spain--Majorca--Catalogs.
Tourism--Social aspects--Germany--Hiddensee--Catalogs.
Tourism--Social aspects--Germany--Sylt--Catalogs.
Tourism--Social aspects--Spain--Majorca--Catalogs.
Princeton subject headings:
Catalogs.
Culture and tourism--Germany--Hiddensee--Catalogs.
Culture and tourism--Germany--Sylt--Catalogs.
Culture and tourism--Spain--Majorca--Catalogs.
Tourism--Social aspects--Germany--Hiddensee--Catalogs.
Tourism--Social aspects--Germany--Sylt--Catalogs.
Tourism--Social aspects--Spain--Majorca--Catalogs.