Columbia subject headings:
Karl Baedeker (Firm)
Publishers' catalogs--Germany.
Travel--Guidebooks--Catalogs.
Harvard subject headings:
Karl Baedeker (Firm)
Publishers' catalogs--Germany
Travel--Guidebooks--Catalogs.
Princeton subject headings:
Karl Baedeker (Firm)
Publishers' catalogs--Germany.
Travel--Guidebooks--Catalogs.