@incollection{Schoenberg.1984, author = {Schoenberg, Arnold}, title = {Breslau Lecture on Die Gl\"{u}ckliche Hand: undated typescript, n.p.}, publisher = {Faber and Faber}, isbn = {9780571131945}, editor = {Hahl-Koch, Jelena}, booktitle = {Arnold Schoenberg, Wassily Kandinsky: Letters, pictures and documents}, year = {1984}, address = {London} }