, Illinois, Northern District Naturalization Index (N.p.: FamilySearch.org, n.d.).

• Titel	, Illinois, Northern District Naturalization Index (N.p.: FamilySearch.org, n.d.).
  Kurztitel	Illinois, Northern District Naturalization Index
  Quellen-Kennung	S207
  Verknüpft mit	BEYERMANN, Walther° Max Karl Rudolf Fritz Gustav