Columbia subject headings:
Harvard subject headings:
Karst (Slovenia and Italy : Region)--Description and travel--Guidebooks.
Karst (Slovenia and Italy : Region)--Guidebooks.
Slovenia--Description and travel--Guidebooks.
Slovenia--Guidebooks.
Princeton subject headings:
Guidebooks.
Karst (Slovenia and Italy : Region)--Description and travel--Guidebooks.
Slovenia--Description and travel--Guidebooks.