| 其他書名 | Ancestry of William Runnells Howard (1842-1905) and Jennie Estelle Littlefield (1858-1930); and Allen and Jerauld-Gerould, Ancestry of Leon Ballord Allen |
| 出版 | L.B. Allen, 1970 |
| URL | http://books.google.com.hk/books?id=_FR6GwAACAAJ&hl=&source=gbs_api |