1. Zoning Ordinance Number 637 for City of Salem, Marion County, Illinois Collection: City Planning and Landscape Architecture (CPLA) Contributers: Salem, Illinois Format: Ordinance Publication Date: 1947-10-04 Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 41; Folder: 28 CPLA Sub-Collection: Cities from Around the World