Columbia subject headings:
Obernosterer, Engelbert, 1936---Criticism and interpretation--Congresses.
Obernosterer, Engelbert, 1936---Interviews.
Harvard subject headings:
Obernosterer, Engelbert, 1936---Criticism and interpretation--Congresses.
Obernosterer, Engelbert, 1936---Interviews--Congresses.
Princeton subject headings:
Interviews.
Obernosterer, Engelbert, 1936---Criticism and interpretation--Congresses.
Obernosterer, Engelbert, 1936---Interviews.