| 其他書名 | His Life and His Works as Sources for the Religious, Legal, and Social History of the Jews of Germany in the Thirteenth Century |
| 出版 | Dropsie College for Hebrew and Cognate Learning, 1947 |
| URL | http://books.google.com.hk/books?id=NP4OAQAAIAAJ&hl=&source=gbs_api |