- Crosby, John Q. A1
- Curtice & Stateler.1
- Curtiss Northwest Airplane Co.1
- D'Ailly, H. A. H.1
- Davison, C. Wright, 1849-19251
- Davison, C., 1849-19251
- Derby, George M.1
- Dinsmore, A. F.1
- Dow-Arneson Co.1
- Drapeyron, Ludovic , 1839-19011
- Duluth & Iron Range Railroad Company1
- Duluth (Minn.). Board of Realtors.1
- Dunaway, Horace1
- E.C. Bridgman Maps (Firm)1
- Emerson, Charles L.1
- Foote, Charles M., 1849-18991
- French, G. H. (Surveyor)1
- G.W. & C.B. Colton & Co.1
- Gamble, W. H. (William H.)1
- General Map Drafting Company1