Columbia subject headings:
Germans--Italy--Rome--Congresses.
Santa Maria dell'Anima (Church : Rome, Italy)--History--Congresses.
Harvard subject headings:
Church architecture--Italy--Rome--History--Congresses.
Germans--Italy--Rome--Congresses.
Rome (Italy)--Church history--Congresses.
Santa Maria dell'Anima (Church : Rome, Italy)--History--Congresses.
Princeton subject headings: