Proposed Dongobesh Gravity Rural Water Supply Scheme, prepared by Arusha Regional Water Department and Arusha Planning and Village Development Project for Regional Development Directorate, Arusha, Box: 8, Folder: 13. Charles F. Sweet papers, 4827. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/498758 Accessed September 16, 2026.