- Iowa. State Planning Board. Committee on Rural, Secondary, & Adult Education1
- Iowa. State Planning Board. Committee on Soil Conservation1
- Iowa. State Planning Board. Committee on Soils Survey1
- Iowa. State Planning Board. Committee on Surveys, Maps, & Plans1
- Iowa. State Planning Board. Committee on Urban Land Use and Traffic Studies1
- Iowa. State Planning Board. Committee on business and industry1
- Iowa. State Planning Board. Committee on soil conservation1
- Iowa. State Planning Board. Farm Tenancy Committee1
- Iowa. State Planning Board. Health and Housing Committee1
- Iowa. State Planning Board. Transportation committee1
- Jocelyn, Nathaniel, 1796-1881.1
- Johnson & Browning.1
- Kay, George F. (George Frederick), 1873-1943.1
- Kean Map Co.1
- Kent, Frederick W. (Frederick Wallace), 1894-19841
- Kenyon Company1
- Kenyon Company (Des Moines, Iowa)1
- Kocur, Frank.1
- Lea, Albert Miller, 1808-1891.1
- Lewis, Samuel, 1753 or 4-1822.1