↑ "California Marriage Index, 1960-1985," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V6XG-TZL : 27 November 2014), Leon Shalek and Constanc K Bandy, 29 Jun 1977; from "California, Marriage Index, 1960-1985," database and images, Ancestry (http://www.ancestry.com : 2007); citing Los Angeles, California, Center of Health Statistics, California Department of Health Services, Sacramento.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JYCH-F61 : 19 May 2014), Biff Eliot, 16 Feb 1996; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States Public Records, 1970-2009," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KT78-D9Q : 23 May 2014), Leon E Shalek, Residence, Studio City, California, United States; a third party aggregator of publicly available information.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQP9-565 : accessed 30 July 2017), Leon Shalek in household of Cerad Shalek, Everett, Middlesex, Massachusetts, United States; citing enumeration district (ED) ED 215, sheet 11A, line 48, family 235, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 918; FHL microfilm 2,340,653.
"United States World War II Army Enlistment Records, 1938-1946," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:K851-8CQ : 5 December 2014), Leon Shalek, enlisted 02 Feb 1943, Bangor, Maine, 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.