Trenn, Thaddeus J. [Historian of physics at University of Regensburg, later an independent scholar in Canada.] -- NOTE: Letters on the age of the Earth and Rutherford; evolution., 1977-1984

Trenn, Thaddeus J. [Historian of physics at University of Regensburg, later an independent scholar in Canada.] -- NOTE: Letters on the age of the Earth and Rutherford; evolution., 1977-1984, 2.9.7, Box: 9, Folder: 7.0. Stephen G. Brush papers, 0294-UA. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/286742 Accessed May 16, 2024.