Columbia subject headings:
Hansen, Christian Peter, 1803-1879--Diaries.
Sylt (Germany)--Social life and customs.
Harvard subject headings:
Hansen, Christian Peter, 1803-1879--Diaries.
Sylt (Germany)--Social life and customs.
Princeton subject headings:
Diaries.
Hansen, Christian Peter, 1803-1879--Diaries.
Sylt (Germany)--Description and travel.
Sylt (Germany)--Politics and government--19th century.
Sylt (Germany)--Social life and customs.