[no author provided] Sheffield's Twin Valleys - A Strategy for Economic Regeneration. Sheffield, England: Department of Employment and Economic Development, 1987., July 1, 1987

[no author provided] Sheffield's Twin Valleys - A Strategy for Economic Regeneration. Sheffield, England: Department of Employment and Economic Development, 1987., July 1, 1987, Box: 2, Folder: 16. Robert Kraushaar papers, 6754. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/542654 Accessed May 10, 2025.