Columbia subject headings:
Harvard subject headings:
Buildings--Austria--Seggauberg--Antiquities, Roman.
Castles--Austria--Seggauberg--Antiquities, Roman.
Castles--Austria--Styria--History.
Excavations (Archaeology)--Austria--Seggauberg.
Schloss Seggau (Seggauberg, Austria)--History.
Seggauberg (Austria)--Antiquities, Roman.
Towers--Austria--Seggauberg--Antiquities, Roman.
Princeton subject headings:
Leibnitz (Austria)--Antiquities.
Leibnitz (Austria)--History.