23 issues, volumes II (1955)-XXIV (1980). This periodical features articles stemming from or relating to the collections of the Royal Library in Copenhagen. Article topics range from early Danish printers' and publishers' marks to silver filigree bindings. While many articles center on specifically Danish topics, an equal amount address subjects of a more international scope. For example, volume XXIII includes an article on a picture book from colonial Georgia, USA. Illustrated throughout in black-and-white. In Danish with English summaries of each article at rear of journal. Volume XX features an index of all prior issues. A rare yet important 20th century journal.