Columbia subject headings:
Boyle, Leonard E.
Krautheimer, Richard, 1897-1994.
Harvard subject headings:
Art historians--Bio-bibliography.
Art, Italian--Italy--Rome--Congresses.
Boyle, Leonard E.
Krautheimer, Richard, 1897-
Krautheimer, Richard, 1897-1994.
Rome (Italy)--Antiquities--Congresses.
Rome (Italy)--History--Congresses.
Princeton subject headings:
Art historians--Bio-bibliography.
Boyle, Leonard E.--Bio-bibliography.
Krautheimer, Richard, 1897-1994--Bio-bibliography.
Medievalists--Bio-bibliography.
Rome (Italy)--Antiquities--Congresses.
Rome (Italy)--History--1420-1798--Congresses.
Rome (Italy)--History--476-1420--Congresses.