Columbia subject headings:
Language and culture--Czech Republic--Congresses.
Language and culture--Slovakia--Congresses.
Sociolinguistics--Czech Republic--Congresses.
Sociolinguistics--Slovakia--Congresses.
Harvard subject headings:
Language and culture--Czech Republic--Congresses.
Language and culture--Slovakia--Congresses.
Sociolinguistics--Czech Republic--Congresses.
Sociolinguistics--Slovakia--Congresses.
Princeton subject headings:
Language and culture--Czech Republic--Congresses.
Language and culture--Slovakia--Congresses.
Sociolinguistics--Czech Republic--Congresses.
Sociolinguistics--Slovakia--Congresses.