[S1810] Ancestry.com, Social Security Death Index, (Name: Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date:2007;;), Number: 379-20-8660; Issue State: Michigan; Issue Date: Before 1951.
Record for William F. Gilbert http://search.ancestry.com/cgi-bin/sse.dll?db=ssdi&h=22177314&indiv=try