Columbia subject headings:
Artists--Europe--Portraits--Exhibitions.
Herzog Anton-Ulrich-Museum Braunschweig--Exhibitions.
Portrait drawing--20th century--Exhibitions.
Portrait drawing--21st century--Exhibitions.
Portrait prints--20th century--Exhibitions.
Portrait prints--21st century--Exhibitions.
Self-portraits--Exhibitions.
Harvard subject headings:
Artists--Europe--Portraits--Exhibitions.
Artists--Portraits--Exhibitions.
Herzog Anton-Ulrich-Museum Braunschweig--Exhibitions.
Herzog Anton-Ulrich-Museum Braunschweig. Kupferstichkabinett--Exhibitions.
Portrait drawing--20th century--Exhibitions.
Portrait drawing--21st century--Exhibitions.
Portrait prints--20th century--Exhibitions.
Portrait prints--21st century--Exhibitions.
Portrait prints--Germany--Braunschweig--Exhibitions.
Self-portraits--Exhibitions
Self-portraits--Germany--Braunschweig--Exhibitions.
Princeton subject headings:
Herzog Anton-Ulrich-Museum Braunschweig. Kupferstichkabinett--Exhibitions.
Portrait prints--20th century--Exhibitions.
Portrait prints--21st century--Exhibitions.
Portrait prints--Germany--Braunschweig--Exhibitions.
Self-portraits--Germany--Braunschweig--Exhibitions.