Dánsko, Sčítání lidu, 1880

"Denmark, Census, 1880." Database with images. FamilySearch. https://familysearch.org : 19 December 2025. From "1880 Denmark Census". Database and images. MyHeritage. https://www.myheritage.com : 30 July 2017. Citing Rigsarkivet, København, Danmark (National Archives, Copenhagen, Denmark).