| 其他書名 | Inaugural Address on Assuming the Rectorship of the University of Berlin, Delivered in the Aula of the University on October 15, 1880 |
| 出版 | Ginn, Heath & Company, 1883 |
| URL | http://books.google.com.hk/books?id=6WgpUEVXL2YC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |