The following publications contain information about Donald McIntosh:
Article: "Contents of the McIntosh Diary" • Research Review (Newsletter Literary Section), Vol. IX, No. 1975-9, September 1975.
Article: "Custer's Last Battle" by Charles King, Introduction by Paul L. Hedron • Annuals of Wyoming, Vol. 48, Spring 1976.
Article: "McIntosh Letters" • Little Big Horn Associates Newsletter, Vol. XXIV (should be XXIX), No. 4, May 1995.
Cover Illustration: "Lieutenant McIntosh's Last Ride" by Michael Schreck • Research Review: The Journal of the Little Big Horn Associates, Vol. 10, No. 2, June 1996.
Article: "The Wedding Ring of Lieutenant McIntosh: Discovered?" by James Willert • Willert examines the life and death of the part-Indian commander of Company G. • Research Review: The Journal of the Little Big Horn Associates, Vol. 10, No. 2, June 1996.
Article: "Donald McIntosh, First Lieutenant, United States Army" • Arlington National Cemetery Website: http://www.arlingtoncemetery.net/donaldmc.htm, 2006.