| 其他書名 | Written in German During the Decade, 1859-1869 ; Translated Into English in Germany in 1939 and Transmitted for Identification to His Son, Charles M. Wollenberg, in 1940 |
| 出版 | Grabhorn Press, 1941 |
| URL | http://books.google.com.hk/books?id=q2i4tgAACAAJ&hl=&source=gbs_api |