Concepts in federal Revenue Sharing and Distribution Formula, H.R. Turnbull in Federal Revenue Sharing: Concept and the Proposals, 1970, Box: 1, Folder: 130. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304883 Accessed June 18, 2025.