- Brown, Treacy & Sperry Co. (Saint Paul, Minnesota), 19071
- C. Wright Davidson (Minneapolis, Minn.), 18871
- C. Wright Davison (Minneapolis)1
- C. Wright Davison, Minneapolis Directory Co (Minneapolis, Minn.?), 18811
- C. Wright Davison. Lith. By Johnson, Smith & Harrison (Minneapolis, Minn.), 18811
- C.M Foote & Co. (Minneapolis, Minn.)1
- C.M. Foote Publishing Co. (Minneapolis, Minn.), 18921
- C.W. Davison (Minneapolis)1
- Charles Desilver (Philadelphia), 19561
- City Engineer's Office (Saint Paul, Minnesota), 18861
- City Planning Commission (Minneapolis, Minn)1
- Clason Map Co., (Denver, Colo.)1
- Clason Map Co.; Denver, Colorado 19201
- Corps of Topographical Engineers; Washington, D.C.?1
- County Board of Commissioners (St. Louis County, Minnesota)1
- Cowperthwait, Desilver & Butler; Philadelphia1
- D. Appleton and Company (Philadelphia)1
- D.D. Merrill, Randall & Co (St. Paul, Minn)1
- D.L. Curtice (Saint Paul, Minn.)1
- D.L. Curtice (St. Paul, Minn.)1