1) Museum in Leeuwarden 
Tresoar (Friesian for `treasure`) is the short name for the Frysk Histoarysk en Letterkundich Sintrum (`Friesian History and Literature Center`) in Leeuwarden. Tresoar manages digital archives about Friesland and its literature. There is a study room open to the public, and most catalogs are online and free to access. In addition to 2-dimensio...