Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Michael Winkler: Stefan George.–Michael Winkler: George-Kreis. Sammlung Metzler. JB Metzlersche Verlagsbuchhandlung. Stuttgart 1970 och 1972.–Michael M. Metzger and Erika A. Metzger: Stefan George. Twayne’s World Authors Series. Twayne Publishers, Inc. New York 1972.–Christa Saas: Georg Trakl.—Lore B. Foltin: Franz Werfel.—Matthias Prangel: Alfred Döblin. Sammlung Metzler. JB Metzlersche Verlagsbuchhandlung. Stuttgart 1974, 1972 och 1973.–RS Furness: Expressionism. The Critical Idiom. Methuen 8c Co Ltd 1973.–Nerthus III. Nordisch-deutsche Beiträge. Eugen Diederichs Verlag 1972.