Columbia subject headings:
Harvard subject headings:
Augustin Wibbelt-Gesellschaft--Periodicals.
Authors, Low German--20th century--Periodicals.
Wibbelt, Augustin, 1862-1947--Societies, etc.--Periodicals.
Princeton subject headings:
Periodicals.
Wibbelt, Augustin, 1862-1947--Periodicals.