Columbia subject headings:
Harvard subject headings:
Amphitheaters--Switzerland--Augst--Congresses.
Architecture, Roman--Switzerland--Augst--Congresses.
Augst (Switzerland)--History--Congresses.
Cults--Rome--Congresses.
Rome--Religion--Congresses.
Theater architecture--Switzerland--Augst--Congresses.
Princeton subject headings:
Amphitheaters--Switzerland--Augst--Congresses.
Architecture, Roman--Switzerland--Augst--Congresses.
Augst (Switzerland)--History--Congresses.
Cults--Rome--Congresses.
Rome--Religion--Congresses.
Theater architecture--Switzerland--Augst--Congresses.