Columbia subject headings:
Authors, Swiss--20th century--Interviews.
Walter, Otto F. (Otto Friedrich), 1928-1994--Interviews.
Harvard subject headings:
Authors, Swiss--20th century--Interviews
Walter, Otto F. (Otto Friedrich), 1928-1994--Interviews.
Princeton subject headings:
Authors, Swiss--20th century--Interviews.
Interviews.
Walter, Otto F. (Otto Friedrich), 1928---Interviews.