Källinformation
Ancestry.com. Documents as to Alfred Robert Cronhjelm or Axelson [webbaserad databas]. Provo, UT, USA: Ancestry.com Operations Inc, 2009.Originaldata: Cronhjelm, Alfred Robert. Documents as to Alfred Robert Cronhjelm or Axelson. Stockholm, Sweden: Aktiebolaget Varias Boktryckeri, 1907.
