For the most up to date resources, please use the University's Online Catalog. The dewey call number for Winnebago County typically starts with "977.331". Some common subject headings for Winnebago County are:
Winnebago County (Ill.) --History.
If you have questions about using the online catalog or subject headings, please see How To use Our Library. We've provided a few areas below to start you off.
Bateman, Newton, 1822-1897. Historical encyclopedia of Illinois / edited by Newton Bateman, Paul Selby ; and History of Winnebago County / edited by Charles A. Church. Chicago : Munsell Pub. Co., 1916.
Church, Charles A. History of Rockford and Winnebago County Illinois : from the first settlement in 1834 to the Civil War / by Charles A. Church. Rockford : Leonard and Mary Adrignola, 1985.
Church, Charles A., 1857- Past and present of the City of Rockford and Winnebago County, Illinois, together with biographical sketches of many of its leading and prominent citizens and illustrious dead. Chicago : S.J. Clarke Pub. Co., 1905.
Nelson, C. Hal, 1905- Sinnissippi saga; a history of Rockford and Winnebago County, Illinois / compiled and edited by C. Hal Nelson. [Rockford? Ill.] : Winnebago County Illinois Sesquicentennial Committee, 
Church, Charles A., 1857- Index of the city of Rockford and Winnebago County, Illinois.
Winnetka Public Library. Genealogy Projects Committee AN INDEX TO THE NAMES OF PERSONS APPEARING IN THE HISTORY OF WINNEBAGO COUNTY, ILLINOIS THOMSON, 1973.
UIUC affiliates or patrons using computers on-campus can access past census data via Heritage Quest.
Atlas of Winnebago County : includes all streets and roads in Winnebago County along with rural properties numbered. Winnebago, Ill. : Stacy Press,
Rockford Map Publishers. Land atlas & plat book ... Winnebago County, Illinois / Rockford Map Publishers. Rockford, Ill. : Rockford Map Publishers, 1976-
Rockford Map Publishers. Plat book, Winnebago County, Illinois. [cartographic material] Rockford, Ill. : Rockford Map Publishers, c1949.
Geo. A. Ogle & Co. Standard atlas of Winnebago County, Illinois [cartographic material] : including a plat book of the villages, cities and townships of the county, map of the state, United States and the world, patrons’ directory, reference business directory and departments devoted to general information / compiled by Geo. A. Ogle & Co., Chicago, assisted in record work and Platting by the Rockford Abstract Company, Rockford, Ill. Chicago : Ogle, 1905.
H.R. Page & Co. Illustrated atlas of Winnebago and Boone counties, Illinois [cartographic material] : containing maps of every township in counties, with village and city plats, also maps of Michigan, Indiana, Ohio, Illinois / compiled from late and authentic sources, together with other valuable information. Chicago : H.R. Page & Co., c1886.
More information on can be found on our Web Resources Page as well as in the Illinois County Bibliography, which is shelved with 016.9773.
University of Illinois at Urbana-Champaign
July 30, 2007