Provincial Historical Archives of Asturias
Old Provincial Jail, Oviedo
Asturias Historical Archives
It holds the Duro Felguera records from the time of its creation as Sociedad Metalúrgica Duro Felguera in 1900.
The archives include 5,930 photographs available as digital files and over 1,560 boxes of documents. Documents include 250,000 plans of all Sociedad Metalúrgica Duro Felguera (SMDF) projects between 1900 and 1980. Sixty percent of them are available as digital files.