| Sources  | 
- [S137]  Iowa, State Census Collection, 1836-1925, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2007;), Database online.
 
Record for Ace M Robinson 
 
  
- [S3221]  U.S., Find A Grave Index, 1600s-Current, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;). 
 
  
- [S3222]  Iowa, World War II Bonus Case Files, 1947-1954, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;). 
 
  
- [S3223]  U.S., World War II Draft Cards Young Men, 1940-1947, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2011;), The National Archives in St. Louis, Missouri; St. Louis, Missouri; WWII Draft Registration Cards for Iowa, 10/16/1940-03/31/1947; Record Group: Records of the Selective Service System, 147; Box: 303. 
  
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