VOLUME 7 The Berlin Years: Writings, 1918–1921 edited by Michel Janssen, Robert Schulmann, József Illy, Christoph Lehner, and Diana Kormos Buchwald (2002) VOLUME 8 The Berlin Years: Correspondence, 1914–1918 edited by Robert Schulmann, A. J. Kox, Michel Janssen, and József Illy (1998) VOLUME 9 The Berlin Years: Correspondence, January 1919–April 1920 edited by Diana Kormos Buchwald, Robert Schulmann, József Illy, Daniel J. Kennefick, and Tilman Sauer (2004) VOLUME 10 The Berlin Years: Correspondence, May–December 1920 and Supplementary Correspondence, 1909–1920 edited by Diana Kormos Buchwald, Tilman Sauer, Ze’ev Rosenkranz, József Illy, and Virginia Iris Holmes (2006) VOLUME 11 Cumulative Index, Bibliography, List of Correspondence, Chronology, and Errata to Volumes 1–10 compiled by A. J. Kox, Tilman Sauer, Diana Kormos Buchwald, Rudy Hirschmann, Osik Moses, Benjamin Aronin, and Jennifer Stolper (2009) VOLUME 12 The Berlin Years: Correspondence, January–December 1921 edited by Diana Kormos Buchwald, Ze’ev Rosenkranz, Tilman Sauer, József Illy, and Virginia Iris Holmes (2009) VOLUME 13 The Berlin Years: Writings & Correspondence, January 1922–March 1923 edited by Diana Kormos Buchwald, József Illy, Ze’ev Rosenkranz, and Tilman Sauer (2012)