| 其他書名 | Number of Inhabitants, General Population Characteristics, General Social and Economic Characteristics, and Detailed Characteristics. Characteristics of the population. Iowa |
| 出版 | U.S. Department of Commerce, Bureau of the Census, 1963 |
| URL | http://books.google.com.hk/books?id=Im5iAQAACAAJ&hl=&source=gbs_api |