"Alabama Marriages, 1816-1957," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FQKZ-99F : 9 February 2018), Crawford Crocker and Rebecca Butler, 23 Jun 1833; citing reference ; FHL microfilm 1,290,271.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHP1-9VK : 12 April 2016), Rebecca Crocker in household of Crawford Crocker, Dallas county, Dallas, Alabama, United States; citing family 923, NARA microfilm publ