Betz, M. (1936). Rilke vivant: Souvenirs, lettres, entretiens. Emile-Paul.
Tohutoru Kātū Chicago (17th ed.)Betz, Maurice. Rilke Vivant: Souvenirs, Lettres, Entretiens. París: Emile-Paul, 1936.
Tohutoro MLA (9th ed.)Betz, Maurice. Rilke Vivant: Souvenirs, Lettres, Entretiens. Emile-Paul, 1936.
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