Columbia subject headings:
Dialect literature, German--History and criticism--Congresses.
Fock, Gorch, 1880-1916--Criticism and interpretation--Congresses.
Harvard subject headings:
Dialect literature, German--History and criticism--Congresses.
Fock, Gorch, 1880-1916--Criticism and interpretation--Congresses.
Princeton subject headings:
Fock, Gorch, 1880-1916--Congresses.
Low German literature--History and criticism--Congresses.