1. A monograph of British Corallian lamellibranchia;Arkell;Palaeontogr. Soc. Monogr.,1929
2. Caledonides of Svalbard and plate tectonics;Birkenmajer;Bull. geol. Soc. Denmark,1975
3. The ammonite Zones of the Middle Jurassic beds of East Greenland;Callomon;Geol. Mag.,1959
4. Geological map of the Carlsberg Fjord-Fossilbjerget area;Callomon;Medd. Grønl.,1970
5. Jurassic ammonites from the northern North Sea;Callomon;Norsk geol. Tidsskr.,1976