"United States, GenealogyBank Obituaries, Births, and Marriages 1980-2014", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QKWV-KRZB : Wed Oct 18 02:46:08 UTC 2023), Entry for Mr Thomas E Crosby and Margaret Or Peg Buck, 04 Feb 1999.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JB8X-K2D : 12 January 2021), Margaret B Crosby, 14 Sep 2008; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States, GenealogyBank Obituaries, Births, and Marriages 1980-2014", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QKW2-DP3X : Wed Oct 18 01:44:38 UTC 2023), Entry for Margaret Buck Crosby and David Chace Buck, 18 Sep 2008.