Columbia subject headings:
Harvard subject headings:
Calendars--Germany--Swabian Alps--History.
Castles--Germany--Swabian Alps--History.
Sun--Rising and setting--Calendars--History.
Swabian Alps (Germany)--Church history.
Swabian Alps (Germany)--History.
Princeton subject headings:
Calendars--Germany--Swabian Alps--History.
Calendars.
Castles--Germany--Swabian Alps--History.
Seasons--Germany--Swabian Alps--History.
Sun--Rising and setting--Calendars--History.
Swabian Alps (Germany)--Church history.