Böer—Miscellaneous Patents, Box: 86, Folder: F156. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections.
Cite Item Description
Böer—Miscellaneous Patents, Box: 86, Folder: F156. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/91011 Accessed July 27, 2024.
