Civil War - Colonel Michael Corcoran and his officers of the 69th New York Infantry at Fort Corcoran, Virginia; colorized photo by Matthew Brady from the National Archives [copy by Blackhawk Films #30-01], 1861, GCIV 01/01, Box: GCIV 01. Civil War Collection, CIV. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/2092638 Accessed December 28, 2025.