- M.H. Thompson & Bro
- Digital Commonwealth
- Boston Public Library
- M.H. Thompson & Brother
Includes business directories, lists of county officers, board of supervisors, "Early history of McHenry County," views of business, residential, and public buildings. Insets: Map of McHenry, Ill.--Map of West McHenry--Map of Algonquin--Map of Woodstock--Map of Marengo. Compiled & published from county records, actual surveys, & personal examination by M.H. Thompson & Brother, Map Publishers & Surveyors.
- Landowners--Illinois--McHenry County--Maps
Real property--Illinois--McHenry County--Maps
McHenry County (Ill.)--Maps
- No known copyright restrictions. This work is licensed for use under a Creative Commons Attribution Non-Commercial Share Alike License (CC BY-NC-SA).