Baer, U. The status of the correspondence in Rilke's work: Ulrich Baer. The Cambridge companion to Rilke.(2010).

Baer, Ulrich. "The Status of the Correspondence in Rilke's Work: Ulrich Baer." The Cambridge Companion to Rilke.(2010) .

Baer, Ulrich. "The Status of the Correspondence in Rilke's Work: Ulrich Baer." The Cambridge Companion to Rilke.(2010), .