"Duncan N. Ingraham Re: civil war naval service, nephew Duncan Jr.", 2008 - 2016

"Duncan N. Ingraham Re: civil war naval service, nephew Duncan Jr.", 2008 - 2016, Box: 32, Folder: 9. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581638 Accessed January 23, 2026.