Columbia subject headings:
Creole dialects--Congresses.
Languages in contact--Europe--Congresses.
Substratum (Linguistics)--Congresses.
Harvard subject headings:
Creole dialects--Congresses.
Languages in contact--Europe--Congresses.
Substratum (Linguistics)--Congresses.
Princeton subject headings:
Europe--Languages--Congresses.
Languages in contact--Europe--Congresses.