- 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 Printing & Manufacturing Co1
- Kocur, Frank.1
- Lea, Albert Miller, 1808-1891.1
- McHenry, Morris.1
- Meyer. Jens A1
- Midland Map Company1
- Midland Map Company.1
- Millar, J. H.1
- Miller, J. Robert (John Robert), 1913-1
- Morse, Charles W.1
- Murray, Laurence W.1
- National Map Company.1
- Nicholson, W. L. (Topographer)1