| 其他書名 | A Study of the 1850, 1852, and 1860 Censuses |
| 出版 | R and E Research Associates, 1973 |
| 主題 | Reference / Genealogy & HeraldrySocial Science / Ethnic Studies / American / Hispanic American Studies |
| ISBN | 08824719889780882471983 |
| URL | http://books.google.com.hk/books?id=TM4LAAAAYAAJ&hl=&source=gbs_api |