U.S. 4,259,409 (Arnold), Box: 88, Folder: F182. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections.
Cite Item Description
U.S. 4,259,409 (Arnold), Box: 88, Folder: F182. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/91045 Accessed July 26, 2024.