Columbia subject headings:
Harvard subject headings:
Baltic States--Description and travel.
Rīga (Latvia)--Description and travel.
Tallinn (Estonia)--Description and travel.
Vilnius (Lithuania)--Description and travel.
Princeton subject headings:
Baltic States--Description and travel--Guidebooks.
Guidebooks.
Rīga (Latvia)--Description and travel--Guidebooks.
Tallinn (Estonia)--Description and travel--Guidebooks.
Vilnius (Lithuania)--Description and travel--Guidebooks.