Social Aspects of Technical Assistance in Operation. ("Publication of United Nations Educational, Scientific, and Cultural Organization.") Printed by Drukkirij, Holland, N.V. Amsterdam, April, 1954, Box: 121, Folder: 35. Morris Edward Opler papers, 14-25-3238. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/240594 Accessed April 12, 2026.