Columbia subject headings:
Experimental poetry, German.
Low German poetry--History and criticism.
Schürmann, Heinrich, 1940-2008--Criticism and interpretation.
Visual poetry, German.
Harvard subject headings:
Art and literature.
Art in literature.
Book artists--Germany.
Schürmann, Heinrich, 1940-
Princeton subject headings:
Experimental poetry, German.
Low German poetry--History and criticism.
Schürmann, Heinrich, 1940-2008--Criticism and interpretation.
Visual poetry, German.