Engineering Instructions-001 – 008, Box: 68, Folder: F306. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections.
Cite Item Description
Engineering Instructions-001 – 008, Box: 68, Folder: F306. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/90640 Accessed July 27, 2024.
