"Texas, Birth Index, 1903-1997," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VD5D-QQG : accessed 28 December 2014), Arthur Israel Walker, 12 Jan 1925; from "Texas Birth Index, 1903-1997," index and images, Ancestry; citing Texas Department of State Health Services.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/HKDY-V2M : accessed 28 December 2014), Arther Walker in household of Girstle Walker, Precinct 7, Titus, Texas, United States; citing enumeration district (ED) 0013, sheet 13A, family 257, line 9, NARA microfilm publication T626, (Washington D.C.: National Archives and Records Administration, 2002), roll 2399; FHL microfilm 2,342,133.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K435-7JW : accessed 28 December 2014), Arthur Walker in household of Guss Walker, Justice Precinct 7, Titus, Texas, United States; citing enumeration district (ED) 225-16, sheet 3A, family 41, NARA digital publication of T627, roll 4146, NARA digital publication of T627, National Archives and Records Administration, Washington, D.C.
"United States World War II Army Enlistment Records, 1938-1946," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KMKV-SBM : accessed 28 December 2014), Arthur I Walker, enlisted 31 Aug 1943, Houston, Texas, 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 and Records Administration, Washington, D.C.
"Texas, Marriages, 1966-2010," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VTRM-ZCK : accessed 28 December 2014), Arthur I Walker and Mattie H Roberts, 17 Jul 1971; citing Dallas, Texas, United States, certificate number 069684, Vital Statistics Unit, Texas Department of State Health Services, Austin.
"United States Social Security Death Index," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/JYR1-M4X : accessed 28 December 2014), Arthur Walker, 03 Jun 2001; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).