Chang Wen-yu, Institute of High Energy Physics, Beijing, from R.R.W., Columbia University, re regrets at not being able to visit, plans to try again later [tls], 1/29/1981

Chang Wen-yu, Institute of High Energy Physics, Beijing, from R.R.W., Columbia University, re regrets at not being able to visit, plans to try again later [tls], 1/29/1981, Box: 1, Folder: 65. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/222558 Accessed December 25, 2025.