A Cedar Rapids, IA company that provides archival microfilming services and they collaborate with communities across the United States to create free digital access to historical newspaper collections, photos, genealogy books, magazines, yearbooks, vital records, and other documents of significance. A number of GLHL connected libraries have used their services.
"Dedicated to creating simple, usable, and enjoyable family history apps."
Illinois Decennial Census of Population 1960
Available on the Hathi Trust. Contains the documentation for all municipalities.
Illinois Digital Archives is the new home of the Digital Past collections. Click Collctions: Browse to see them.
The Library of Congress has extensive digital collections. "Searching" accesses multiple collections.
North Eastern Illinois Historical Council (N.E.IL.)
N.E.IL is an alliance of Museums and Historical Societies located in northern Cook and southern Lake County in Illinois.