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- Mature Modifications and Sexual Dimorphism
- DEPARTMENT of the INTEBIOR US. GEOLOGICAL SLRVEY The
- Ammonites from Southern Alaska
- Geologic Trips Along Oregon
- New Evidence for the Age of the Athol Formation (Middle Jurassic; Bajocian) in the Tusk-1 and Tusk-2 Wells, Offshore Carnarvon Basin Western Australia
- Aalenian and Lowermost Bajocian Ammonites (Hammatoceratinae and Early Otoitidae ) from the Western and Central Balkan Mountains (Bulgaria)
- Lower to Middle Jurassic Stratigraphy, Ammonoid Fauna and Sedimentary History of the Laberge Group in the Fish Lake Syncline, No