==External links==*McHenry County official website*Major William McHenry*McHenry County Historical Society*History of McHenry County Towhships*United Way of McHenry County*McHenry County Woman Newspaper*McHenry County Conservation District*McHenry County at The Crittenden Automotive Library*The Land Conservancy of McHenry County*McHenry County College*The Marengo-Union Times
* Национальная ассоциация округов США* Major William McHenry* McHenry County Historical Society* History of McHenry County Towhships* United Way of McHenry County* McHenry County Woman Newspaper* McHenry County Conservation District* McHenry County at The Crittenden Automotive Library* The Land Conservancy of McHenry County* McHenry County College* The Marengo-Union Times