The State Archives.
Association of genealogy societies. of DIS-Denmnark and Sammenslutningen af Slægtshistoriske Foreninger, SSF
Association of local history archives.
More than 1200 pages of danish military history. Can be translatet by Google to lot of lanuages
The Society for Danish Genealogy and Biography.
The Danish Association of Family Farms, The Danish Archive of Family Farms
The Danish Demographic Database you can search for information in different sources.
The Danish Emigration Archives. Can be translatet by Google to lot of lanuages
The Royal Danish Library and the National Library of Denmark
Search the Royal Danish Library’s media collections
Genealogy crossing Øresund.