Ancestry.com, <i>U.S., Naturalization Records Indexes, 1794-1995</i> (Lehi, UT, USA: Ancestry.com Operations, Inc., 2007). @ National Archives and Records Administration (NARA); Washington, D.C.; Index Cards to Naturalization Petitions for the U.S. District Court for the Eastern District of Michigan, Southern Division, Detroit, 1907-1995; Microfilm Serial: M1917; Microfilm Roll: 214

The cited information was held in Ancestry.com (Ref: National Archives and Records Administration (NARA); Washington, D.C.; Index Cards to Naturalization Petitions for the U.S. District Court for the Eastern District of Michigan, Southern Division, Detroit, 1907-1995; Microfilm Serial: M1917; Microfilm Roll: 214)
U.S., Naturalization Records Indexes, 1794-1995. 

• References (2)
  • Parent Source: Ancestry.com, <i>U.S., Naturalization Records Indexes, 1794-1995</i> (Lehi, UT, USA: Ancestry.com Operations, Inc., 2007).
  • Individual: Engelena Campbell