- Ancestry.com, OneWorldTree (Name: The Generations Network, Inc.; Location: Provo, UT, USA;), Database online.
Record for Daniel Eugene Hammer.
- Ancestry.com, U.S. World War I Draft Registration Cards, 1917-1918 (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2005.Original data - United States, Selective Service System. World War I Selective Service System Draft Registration Cards, 1917-1918. Washington, D.C.: National Archives and Records Administration, M1509, 4,582 rolls. Roll 1614404, DraftBoard 0.
- Illinois Statewide Death Index, 1916–1950.
HAMMER, DANIEL E (sex / race) M/W (age) UNK (certificate #) 0045034 (death date) 1944-11-07 (county) TAZEWELL (city) PEKIN.
- Ancestry.com, 1900 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2004;), Database online. Spring Lake, Tazewell, Illinois, ED , roll , page .
Record for Daniel U Hammer.
- Ancestry.com, 1910 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2006;), Database online. Manito, Mason, Illinois, ED , roll T624_311, part ,.
Record for Daniel E Hammer.
- Ancestry.com and The Church of Jesus Christ of Latter-day Saints, 1880 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;), Database online. Spring Lake, Tazewell, Illinois, ED 252, roll T9_253,.
Record for Daniel U. Hammers.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ancestry.com, 1920 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;), Database online. Manito, Mason, Illinois, ED , roll , page , image.
Record for Dan E Hammers.
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Manito, Mason, Illinois, ED , roll , page , image 220.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ibid.
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Manito, Mason, Illinois, ED , roll , page , image 220.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ibid.
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ibid.
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ibid.
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Manito, Mason, Illinois, ED , roll , page , image 220.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ibid.
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Manito, Mason, Illinois, ED , roll , page , image 220.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Manito, Mason, Illinois, ED 15, roll 537, page , image 411.0.