In 1923 he was called to the University of Berlin, where he was seen as the most suitable successor to Hermann Kretzschmar, also a music theorist. It was there that he worked with Friedrich Blume, Rudolf Gerber, Hans Hoffmann and Theodor Schwartzkopff, on the illustrated Dictionary of Music which was discovered to contain plagiarisms of Alfred Einstein's Neues Musiklexikon und Hugo Riemann Musiklexikon.
In 1923, the University of Berlin appointed him as its most suitable successor to Hermann Kretzschmar, another music theorist. During his tenure there, he collaborated with Friedrich Blume, Rudolf Gerber, Hans Hoffmann, and Theodor Schwartzkopff on an illustrated dictionary of music that later revealed plagiarism from Alfred Einstein's Neue Musiklexikon und Hugo Riemann Musiklexikon.