| 其他書名 | Syllabus : National Genealogical Society Conference in the States, 17-20 May 1989, Saint Paul, Minnesota : Hosted by the Minnesota Genealogical Society |
| 出版 | National Genealogical Society, 1989 |
| URL | http://books.google.com.hk/books?id=LrxnAAAAMAAJ&hl=&source=gbs_api |