Źródła

• {#1} Richard Plaza’s Obituary (MR09049), J. Gilbert Purse Funeral Home, 2009 Obituaries, http://www.pursefuneralhome.com/0bits_2009.htm
  
  5. Richard P. Plaza
  Age 55, of Jackson, MI, passed away, January 4, 2009, at Allegiance Hospital. He was born May 9, 1953, in Chicago, Illinois, the son of Leonard & Marian (Snellenberger) Plaza. His family has made arrangements for an immediate cremation.
• {#2} U.S. Social Security Death Index, RootsWeb→Ancestry LLC, ssdi.rootsweb[.]com
  odpis: 04.11.2011

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