| 內容註: |
v. 1. The early years, 1879-1902 v. 2. The Swiss years, writings, 1900-1909 v. 3. The Swiss years, writings, 1090-1911 v. 4. The Swiss years, writings, 1912-1914 v. 5. The Swiss years, correspondence, 1902-1914 v. 6. The Berlin years, writings, 1914-1917 v. 7. The Berlin years, writings, 1918-1921 v. 8. The Berlin years, correspondence, 1914-1918 v. 9. The Berlin years, correspondence, January 1919-April 1920 v. 10. The Berlin years, correspondence, May-December 1920, and: Supplementary correspondence, 1909-1920 v. 12. The Berlin years, correspondence, January-December 1921 v. 13. The Berlin years, writings & correspondence, January 1922-March 1923 v. 14. The Berlin years, writings & correspondence, April 1923-May 1925. |