Foreword, H.R. Turnbull in Crossing the River: Creating a Conceptual Revolution in Community and Disability, Schwartz, 1992

Foreword, H.R. Turnbull in Crossing the River: Creating a Conceptual Revolution in Community and Disability, Schwartz, 1992, Box: 1, Folder: 26. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304779 Accessed November 09, 2025.