JS1275: Structural Certification Proposal for an Extended Engine Inlet Centerbody for DC-8 Series 50 and DC-8-61 Airplanes, undated, Box: 12, Folder: 12. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766803 Accessed June 16, 2026.