"Henry Ingraham- Sea Journal- 1802 (Duncan I.'s son)", 2008

"Henry Ingraham- Sea Journal- 1802 (Duncan I.'s son)", 2008, Box: 32, Folder: 13. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581642 Accessed January 23, 2026.