Columbia subject headings:
Cities and towns--Liechtenstein--Handbooks, manuals, etc.
Cities and towns--Switzerland--Handbooks, manuals, etc.
Liechtenstein--History, Local--Handbooks, manuals, etc.
Switzerland--History, Local--Handbooks, manuals, etc.
Harvard subject headings:
Historic sites--Liechtenstein.
Historic sites--Switzerland.
Liechtenstein--History.
Switzerland--History, Local.
Princeton subject headings:
Cities and towns--Liechtenstein--Handbooks, manuals, etc.
Cities and towns--Switzerland--Handbooks, manuals, etc.
Liechtenstein--History, Local--Handbooks, manuals, etc.
Switzerland--History, Local--Handbooks, manuals, etc.