Incoming Resources
- The Marchel family of Green Lake & Marquette counties, Wisconsin & Cook County, Illinois, 1807-2009, compiled by Roger F. Krentz
- Korzenie, history of the Bukowksi [sic], Czajkowski, Czarapatta, Duszynski, Krentz, Marchel and Polus families in Green Lake and Marquette counties, Wisconsin and Cook County, Illinois, by Roger F. Krentz