1. Tularemia och dess forekomst i Norge;Thjötta;Nord. Med. Tidskr.,1930
2. De vigtigste smittsamme Sydomme hos vilt;Christiansen;Medd. Statens Vet. Serumlab.,1935
3. 3Borg, K. 1972. A brief report on virus hepatitis in the eagle owl. Research report from the National Veterinary Institute, Stockholm, 6/1972.
4. Characterization of a papilloma virus from the European elk (EEPV);Moreno-Lopez;Virology,1981
5. Dissemination of myxomatosis by birds;Borg;Nord. Vet. Med.,1963