• Ancestry.com
  • National Archives
  • IDPF (Individual Deceased Personnel File) - Basil Kaczmarczyk
  • Fold3.com
  • Findagrave.com
  • Abmc.gov
  • History.com
  • Honorstates.org
  • Military.com
  • Bls.gov
  • Militaryindexes.com
  • Explorepahistory.com
  • Padigital.org
  • Archives.upenn.edu