Finlanda, Recensământul Bisericii și Registrele de confirmare prealabilă, 1600-1916

"Finland, Church Census and Pre-Confirmation Books, 1600-1916." Database with images. FamilySearch. https://FamilySearch.org : 30 December 2025. From " Finland Church Census and Pre-Confirmation Books, 1657-1915." Database. MyHeritage. www.myheritage.com : 2016. Citing Kansallisarkisto (National Archives of Finland), Helsinki.