Illinois. Division of Historic Sites. : Preservation Illinois : a guide to State & local resources / Illinois Department of Conservation, Division of Historic Sites ; edited by Ruth Eckdish Knack.
Illinois Historic Sites Survey. : Inventory of architecture before W. W. II in Naperville, DuPage County. Interim report / prepared by the Illinois Historic structures survey, a division of the Illinois Historic Sites Survey. Paul El Sprague, survey director.
1974
1
Illinois Historic Structures Survey. : Inventory of architecture before W. W. II in Naperville, DuPage County. Interim report / prepared by the Illinois Historic structures survey, a division of the Illinois Historic Sites Survey. Paul El Sprague, survey director.
1974
1
Illinois Historical Records Survey. : Guide to public vital statistics records in Illinois / prepared by Illinois Historical Records Survey, Division of community service programs, Work Projects adminstration ; sponsored by the governor of Illinois.