- The Farmer [magazine] (Publisher)2
- Thomas, Cowperthwait & Co.2
- United States Coast Survey2
- Upham, Warren, 1850-19342
- Westby, P. O.2
- 1723-17861
- 1740-18171
- 1784-18641
- 1793-18471
- 1799-18401
- Allen, Charles Julius,1840-19151
- Allen, James, 1806-18461
- American Coal & Coke Corporation.1
- American Geographical Society Library – UWM Libraries (GIS Staff, University of Wisconsin-Milwaukee)1
- American Union Telegraph Company1
- Amy, M. S. (Surveyor)1
- Anderson, A. H. (Andrew H.)1
- André, Peter, engraver.1
- Ann Arbor Railroad Company1
- Arrowsmith, Aaron, 1750-18231