Gyldendalske Boghandel, Nordisk Forlag A/S, usually referred to simply as Gyldendal (Danish pronunciation: [ˈkylˀn̩ˌtɛˀl]), is a Danish publishing house. Founded in 1770 by Søren Gyldendal, it is the oldest and largest publishing house in Denmark, offering a wide selection of books including fiction, non-fiction and dictionaries. Prior to 1925, it was also the leading publishing house in Norway, and it published all of Henrik Ibsen's works.
https://en.wikipedia.org/wiki/Gyldendal