Letter from H. A. M. C. A. R. G. H. Drummond, August 2, 1843 (London), Box: 37, Folder: 35. Letters, literary manuscripts, and personal papers of the Porter family, MS 28. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/469366 Accessed May 21, 2024.