Ethan Haimo, theorist and composer, is Professor of Music at Bar Ilan University. He has written extensively on the music of Arnold Schoenberg including Schoenberg's Serial Odyssey (1990) and Schoenberg's Transformation of Musical Language (2006). He has also written about form in Classical music, including the book, Haydn's Symphonic Forms (1995).Sabine Feisst is Professor of Music at Arizona State University. Focusing on twentieth and twenty-first century music studies, she published the monographs Der Begriff "Improvisation" in der neuen Musik (1997) and Schoenberg's New World: The American Years (2011) which won the Society for American Music's Lowens Award. With Severine Neff, she co-edits the nine-volume set Schoenberg in Words (Oxford University Press).

• Preface and Editorial NotesAcknowledgementsFrequently Used Abbreviations Chapter One: Letters before 1900Chapter Two: Letters, 1901Chapter Three: Letters, 1902 Chapter Four: Letters, 1903Chapter Five: Letters, 1904Chapter Six: Letters, 1905Chapter Seven: Letters, 1906 Chapter Eight: Letters, through May 1907 Appendix 1: Undated LettersAppendix 2: Items not includedSelect Bibliography

Ethan Haimo, theorist and composer, is Professor of Music at Bar Ilan University. He has written extensively on the music of Arnold Schoenberg including Schoenberg's Serial Odyssey (1990) and Schoenberg's Transformation of Musical Language (2006). He has also written about form in Classical music, including the book, Haydn's Symphonic Forms (1995).Sabine Feisst is Professor of Music at Arizona State University. Focusing on twentieth and twenty-first century music studies, she published the monographs Der Begriff "Improvisation" in der neuen Musik (1997) and Schoenberg's New World: The American Years (2011) which won the Society for American Music's Lowens Award. With Severine Neff, she co-edits the nine-volume set Schoenberg in Words (Oxford University Press).

• Preface and Editorial NotesAcknowledgementsFrequently Used Abbreviations Chapter One: Letters before 1900Chapter Two: Letters, 1901Chapter Three: Letters, 1902 Chapter Four: Letters, 1903Chapter Five: Letters, 1904Chapter Six: Letters, 1905Chapter Seven: Letters, 1906 Chapter Eight: Letters, through May 1907 Appendix 1: Undated LettersAppendix 2: Items not includedSelect Bibliography