Københavns universitet. : Development of the ion X-ray tube : with a description of the collection in the Medical Historical Museum, University of Copenhagen / by Paul Rønne and Arnold B.W. Nielsen.
Københavns universitet. : Analecta Hafniensia : 25 years of East Asian studies in Copenhagen / edited by Leif Littrup.
Københavns universitet. -- Catalogs. : Bird books and bird art : an outline of the literary history and iconography of descriptive ornithology based principally on the collection of books containing plates with figures of birds and their eggs now in the University Library at Copenhagen and including a catalogue of these works / written and compiled by Jean Anker.