Sheets #17&18: Frank Becker--Professor of DEA and William Sims Chair Professor looking at blueprints, Jan. 29, 1987

Sheets #17&18: Frank Becker--Professor of DEA and William Sims Chair Professor looking at blueprints, Jan. 29, 1987, Job #1193, Box: 23. 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/165576 Accessed January 19, 2026.