Columbia subject headings:
Thelen, Albert Vigoleis, 1903-1989--Correspondence.
Thelen, Albert Vigoleis, 1903-1989--Criticism and interpretation.
Harvard subject headings:
Authors, German--20th century--Biography
Thelen, Albert Vigoleis, 1903-1989--Criticism and interpretation.
Thelen, Albert Vigoleis, 1903-1989.
Princeton subject headings:
Thelen, Albert Vigoleis, 1903-1989--Correspondence.
Thelen, Albert Vigoleis, 1903-1989--Criticism and interpretation.