Columbia subject headings:
Artists' preparatory studies--Italy.
Raphael, 1483-1520--Criticism and interpretation.
Raphael, 1483-1520. School of Athens.
Harvard subject headings:
Artists' preparatory studies--Italy
Drawing, Italian--Conservation and restoration.
Raphael, 1483-1520--Criticism and interpretation.
Raphael, 1483-1520. School of Athens
Princeton subject headings:
Artists' preparatory studies--Italy.
Raphael, 1483-1520--Criticism and interpretation.
Raphael, 1483-1520. School of Athens.