Sheet#12: Jan Olsen/Director of Mann and Edward McLaughlin Asst. Prof Ag. Econ. Olsen teaching McLaughlin to use compact disk information retrieval system., Sept. 25, 1987

Sheet#12: Jan Olsen/Director of Mann and Edward McLaughlin Asst. Prof Ag. Econ. Olsen teaching McLaughlin to use compact disk information retrieval system., Sept. 25, 1987, Job #1307, Box: 24. Cornell University Media Services Photo Section records, 21-37-2227. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/166041 Accessed December 31, 2025.