"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:3C8Q-M3Z : accessed 17 December 2016), Howell Cobb in household of Tyrus R Cobb, Augusta, Richmond, Georgia, United States; citing enumeration district (ED) ED 36, sheet 9B, line 53, family 234, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 383; FHL microfilm 2,340,118.
"United States World War II Army Enlistment Records, 1938-1946," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KMNK-ZQH : 5 December 2014), James H Cobb, enlisted 11 Sep 1942, Roswell, New Mexico, United States; citing "Electronic Army Serial Number Merged File, ca. 1938-1946," database, The National Archives: Access to Archival Databases (AAD) (http://aad.archives.gov : National Archives and Records Administration, 2002); NARA NAID 126323, National Archives at College Park, Maryland.
"United States Public Records, 1970-2009," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KBK2-HL6 : 23 May 2014), James Howell Cobb, Residence, Santa Maria, California, United States; a third party aggregator of publicly available information.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J5HK-YJM : 20 May 2014), James H Cobb, 04 Nov 1996; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).