11. Utrecht Collection: City Planning and Landscape Architecture (CPLA) Format: Booklet Publication Date: unknown Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 41; Folder: 15 CPLA Sub-Collection: Cities from Around the World
12. Wat is, wat doet de R.O.A._Utrecht? Collection: City Planning and Landscape Architecture (CPLA) Contributers: Stichting Raad voor Overleg en Advies op Maatschappelijk Terrein te Utrecht Format: Booklet Publication Date: unknown Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 41; Folder: 15 CPLA Sub-Collection: Cities from Around the World