"Themes as Dynamic Forces in Culture," The American Journal of Sociology, LI, No.3, 198-206. (Reprint No. A-179 in the Bobbs-Merrill Reprint Series in the Social Sciences.), 1945

"Themes as Dynamic Forces in Culture," The American Journal of Sociology, LI, No.3, 198-206. (Reprint No. A-179 in the Bobbs-Merrill Reprint Series in the Social Sciences.), 1945, Box: 123, Folder: 38. Morris Edward Opler papers, 14-25-3238. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/240693 Accessed October 29, 2025.