1. The classification of cross-stratified units, with notes on their origin;Allen;Sedimentology,1963
2. Weevils (Coleoptera: Curculionoidea, excluding Scolytinae and Platypodinae) of the Yukon;Anderson,1997
3. The distribution of the species of the subgenus Cryobius (Coleoptera, Carabidae, Pterostichus) with special reference to the Bering Land Bridge and Pleistocene refugia;Ball,1963
4. Ground beetle (Coleoptera: Trachypachidae and Carabidae) of the Yukon: geographical, distribution, ecological aspects, and origin of the extant fauna;Ball,1997
5. The North American Pliocene and Pleistocene sequences;Bell,2004