Columbia subject headings:
Kashubian language--Dialects--Congresses.
Polish language--Dialects--Pomerania (Poland and Germany)--Congresses.
Harvard subject headings:
Lechitic languages--Dialectology--Congresses.
Pomerania (Poland and Germany)--History--Congresses.
Pomerelia (Poland)--History--Congresses.
Princeton subject headings:
Polish language--Dialects--Congresses.