Gyldendals store opslagsbog.
By: Redaktion: Helfi Jónsson, Ole Norling-Christensen og Ellen Thomassen. Billedredaktion: Inger Budtz-Jørgenson.
Publisher: Gyldendal
Published: 1967
Place of publication: København
Language: dan
Subjects: Encyclopedias and dictionaries, Danish.