This week's post comes from guest blogger Constance Potter, who is a reference archivist at the National Archives in Research Services, Archival Operations-Washington, DC. Connie is the lead expert on reference relating to the upcoming 1940 Census release on April 2, 2012. Today we focus on the places where you can find a person in an … Continue reading Family Tree Friday: Where is “Fred Tiffany” in an Enumeration District in the 1940 Census?