- [S1] Charles E Donnell, A Genealogy of Donnell, Langford and Other Families (Plainview. TX: Self, 1949). Hereinafter cited as Donnell-Langford.
- [S3] Alexander Ross Piper, The Assembly, Association of Graduates, West Point, NY, 1953.
- [S6] William Henry Egle, Pennsylvania Genealogies; Scotch-Irish and German (Harrisburg, PA: Harrisburg Publishing Company, 1886). Hereinafter cited as Egle's Genealogies. Available online at https://archive.org
- [S13] "Fremont Club", Carlisle Weekly Herald (3/9/1856). Hereinafter cited as "Fremont Club."
- [S14] "Death of a U.S. Officer", Carlisle Weekly Herald (2 Nov 1876). Hereinafter cited as "Death of a U.S. Officer."
- [S16] "Rusticating", Bedford County Press and Everett Press, Everett, Pennsylvania (15 Jul 1868). Hereinafter cited as "Rusticating."
- [S30] Piper Z Diagrams. Believed to have been prepared by Alexander Ross Piper as part of a Sons of the American Revolution application. Hereinafter cited as Piper Z Diagrams.
- [S34] Find A Grave, online findagrave.com. Hereinafter cited as Find A Grave.
- [S42] T. H. S. Hamersly, editor, Complete Regular Army Register of the United States: For One Hundred Years (1779-1879) (Washington, D.C.: T. H. S. Hamersly, 1880). Hereinafter cited as Complete Regular Army Register.
- [S55] Clifford Cunningham, Cunningham Family History, unpublished draft, (13117 Manitoba Drive NE, Albuquerque, New Mexico, USA). Hereinafter cited as Cunningham Family History.
- [S56] Donnell Gene Bauer, "Donnell (Bauer) revisions," e-mail message from e-mail address (Oklahoma) to Alton Donnell, 13/1/2021. Hereinafter cited as "Donnell (Bauer) revisions."
- [S58] The American Revolution in South Carolina - The Battle of Camden, online https://www.carolana.com/SC/Revolution/…. Hereinafter cited as The Battle of Camden.
- [S60] Green-Wood Cemetery On-Line Directory, online https://www.green-wood.com/. Hereinafter cited as Green-Wood Cemetery On-Line Directory.
- [S61] Walter Leonard Reed entry, Birth Certificate, Alton Parker Donnell Jr, 13117 Manitoba Drive NE, Albuquerque, New Mexico, USA.
- [S71] Rick Outram, "Frank Richardson OATES, Bio Revision," e-mail message from e-mail address (Bagshot) to Alton Donnell, 13 February 2021. Hereinafter cited as "Frank Richardson OATES, Bio Revision."
- [S80] "Siefke-Heins Family Tree", 1 December 1938, Frederick Siefke (128 Marine Avenue, Brooklyn, New York), to The Siefke and Heins families; As cited on the tree, "…drawn almost entirely from information furnished by Wilhelmina D. Siefke (1852-1933) and recorded by her son Frederick Siefke (1881- )... " and prepared by the author as a Christmas present in 1938. Hereinafter cited as "Siefke-Heins Family Tree."
- [S84] Susan Donnell, "Untitled: Content "Hopefully, this gives us a little more dimension."," e-mail message from e-mail address (South Salem, New York) to Alton Donnell, 6 April 2021. Hereinafter cited as "Untitled."
- [S89] John M. Carroll, The Unpublished Papers of the Order of Indian Wars, Book 10, Extracts from letters written by LT. ALEXANDER R. PIPER, 8th Infantry, at Pine Ridge Agency, South Dakota, to his wife, Marie Cozzens Piper, at Fort Robinson, Nebraska, during the Sioux Campaign 1890-1891, August 1977, New Brunswick, New Jersey (Copy held by 13117 Manitoba Drive NE, Albuquerque, New Mexico, USA). Hereinafter cited as The Unpublished Papers of the Order of Indian Wars, Book 10.
- [S90] "Chicago police were condemned in 1904 for drinking, slouching, ignoring crime", 27 January, 2017, Robert Loerzel, Chicago Tribune, online https://www.chicagotribune.com/opinion/commentary/…. Hereinafter cited as Chicago police.
- [S91] City of New York, Papers and Proceedings of Committee on the Police Problem (98 John Street. New York City, New York: Chas. P. Young Co., Law Reporters And Printer, 1905). Hereinafter cited as Police Problem.
- [S93] David Livingston, Cadets and Officers, Some West Point Tales, April 2013 (13117 Manitoba Drive NE, Albuquerque, New Mexico, USA, https://www.icloud.com/iclouddrive/…[:WEB]) Hereinafter cited as Cadets and Officers.
- [S101] Alexander Ross Piper, History of the Piper Family, c 1910 (13117 Manitoba Drive NE, Albuquerque, New Mexico, USA) Hereinafter cited as History of the Piper Family.
- [S107] Michael Fink, Lansing State Journal, Lansing, Michigan, 10/5/2015. Hereinafter cited as LSJ.
- [S108] Committee of the Degree of Bachelor of Science, Whereas, the members of the Committee of the Degree of Bachelor of Science, 13 June 1938, United States Military Academy Association of Graduates. Hereinafter cited as Committee of the Degree of Bachelor of Science.
- [S111] The Growing Population, Amarillo Globe-Times, Amarillo, Texas, 26 July 1944. Hereinafter cited as Amarillo Globe-Times.
- [S112] Lt. Brewster is Reported Killed in European war, The Canyon News, Canyon, Texas, 12 October 1944. Hereinafter cited as The Canyon News.
- [S113] Howard Carey Brewster | American Air Museum in Britain, online http://www.americanairmuseum.com/person/244461. Hereinafter cited as Howard Carey Brewster.
- [S114] And She was Left to Grieve, Amarillo Sunday Globe-News, Amarillo, Texas. Hereinafter cited as Amarillo Sunday Globe-News.
- [S115] Fallen Hero 1LT AAF Pilot Howard "Carey" Brewster, online https://www.fold3.com/page/529911268/howard-c-brewster/…. Hereinafter cited as Fallen Hero.
- [S116] Madeline Siefke, "Re: Last Chance - almost," e-mail message from e-mail address (Ithaca, New York) to Alton Donnell, 25 August 2021. Hereinafter cited as "Re: Last Chance."
- [S121] Howard Arthur Cunningham and Winifred Margaret Reed marriage, 26 December 1944, in Certified Copy of an Entry of Marriage. Hereinafter cited as Certified Copy of an Entry of Marriage.
- [S130] Induction of Howard A. Cunningham into the Cornwall Sports Hall of Fame, 1974. Hereinafter cited as Induction of Howard A. Cunningham.
- [S131] Howard A. Cunningham, Cornwall, Ontario, Canada, 1993. Hereinafter cited as Howard A. Cunningham.
- [S133] Winifred Margaret Reed Cunningham, I Did It My Way, (13117 Manitoba Drive NE, Albuquerque, New Mexico, USA, one of two copies). Hereinafter cited as I Did It My Way.
- [S165] Lemuel Alexander Donnell family, The Canyon News Centennial Edition, Canyon, Texas, 29 June 1989, IV-1. Hereinafter cited as The Canyon News Centennial Edition.
- [S166] Dr. C. E. Donnell, The Canyon News, Canyon, Texas, Is Texas Resident Since July 1891, 60. Hereinafter cited as The Canyon News.
- [S167] Miss Lura Brown Weds Dr. Donnell, Lubbock Morning Avalanche, Lubbock, Texas, 23 March 1934, 1. Hereinafter cited as Lubbock Morning Avalanche.
- [S170] Cozzens - Macnamara, New York, New York, City Marriage Records, 1829-1938. Hereinafter cited as Cozzens - Macnamara, Marriage Records, 1829-1938.
- [S174] Olive Leora Donnell, Death Cert 62912 (15 July 1975). Hereinafter cited as OLD Death Certificate.
- [S181] Donnell, 1 June 1900 Census.
- [S185] Oklahoma, US, County Marriage Records, 1890-1995 for John R. Roach. Hereinafter cited as Oklahoma, US, County Marriage Records, 1890-1995 for John R. Roach.
- [S188] Jochem John Albert Bauer, Death Certificate 26345. Hereinafter cited as Texas Death Certificate for Jochem John Albert Bauer.
- [S193] 1881 England Census, Reed,.
- [S197] From Salt Pork to Sirloin - A History of Baylor County. Hereinafter cited as From Salt Pork to Sirloin.
- [S199] Cunningham, Doris May, The Kingston Whig-Standard, Kingston, Ontario, Canada, 22 April 1988, p. 22. Hereinafter cited as The Kingston Whig-Standard.
- [S210] Alexander Donnell, "Susan Allen Smith Donnell," e-mail message from e-mail address (Arkansas) to Alton Donnell, 7 July 2023. Hereinafter cited as "Susan Allen Smith Donnell."
- [S212] Miss Piper to Wed Herman Siefke, Jr., The Standard Union, Brooklyn, New York, 6 June 1920, 6. Hereinafter cited as Standard Union.
- [S231] Letter from Louise Robbins Davis (502 Woodson, Bryan, Texas 77801) to Alton Donnell with attachments, 25 January 1987; Alton Parker Donnell Jr (13117 Manitoba Drive NE, Albuquerque, New Mexico, USA).
- [S236] Katheryn Newton, "Knipp Family," e-mail message from e-mail address (Texas) to Alton Donnell, 6 October 2021. Hereinafter cited as "Knipp Family."
- [S241] Emma A and James Arthur Donnell, The Donnells and their Macdonald Ancestors, A History and Genealogy, 157 to 1927 A. D. (Greenfield, Indiana: William Mitchell, 1928). Hereinafter cited as The Donnells. Available for download at archive.org.