Columbia subject headings:
Artists--Germany--Interviews.
Walther, Franz Erhard--Aesthetics.
Walther, Franz Erhard--Interviews.
Harvard subject headings:
Artists--Germany--Interviews.
Walther, Franz Erhard--Aesthetics.
Walther, Franz Erhard--Correspondence.
Walther, Franz Erhard--Exhibitions.
Walther, Franz Erhard--Interviews.
Princeton subject headings:
Artists--Germany--Interviews.
Interviews.
Walther, Franz Erhard--Aesthetics.
Walther, Franz Erhard--Interviews.