Publisher
- Iowa Geological Survey1
- Iowa. State Planning Board1
- Jno. L. Powers1
- John Bartholomew & Co. (Edinburgh)1
- John Bartholomew and Co. (Edinburgh)1
- Kenyon Print. & Mfg.1
- L. Baschet (Paris)1
- Lake City Chamber of Commerce1
- Lit. San Cristobal (Lima, Perú)1
- Lit. y tip. Nacional M. Badiola y Cia, Baquijano 278 (Lima)1
- Litografia y Tip. Nacional P. Berrio (Lima)1
- Ludwig Ravenstein (Frankfurt a.M)1
- M J. Ahlgrim?1
- Maryland Historical Society (Baltimore, Md)1
- Matthews-Northrup1
- McGill-Warner (St. Paul, Minn.)1
- Missaukee County Road Commission1
- Mississippi River Commission (Washington, D.C)1
- National Travel Club (New York)1
- New Orange Industrial Association1