| 其他書名 | A Memorial Volume Containing the German Ancestry of Guido Reinhardt Rahr and Natalie Elizabeth (Bilharz) Rahr : Rahr-Bilharz and Allied Families |
| 出版 | Heart of the Lakes Pub., 1989 |
| URL | http://books.google.com.hk/books?id=QG8bAQAAMAAJ&hl=&source=gbs_api |