Columbia subject headings:
Harvard subject headings:
Authors, German--20th century--Homes and haunts--Germany--Uckermark.
Uckermark (Germany)--Description and travel.
Uckermark (Germany)--History.
Uckermark (Germany)--In literature.
Welk, Ehm, 1884-1966--Homes and haunts--Germany--Uckermark.
Princeton subject headings:
Uckermark (Germany)--Description and travel.
Uckermark (Germany)--History.
Welk, Ehm,--Homes and haunts--Germany--Uckermark.