Treatise of Invertebrate Paleontology. Pt. L. Mollusca 4. Revised. V. 4. Geol. Soc. Amer., Univ. Kansas - Cretaceous Ammonoidea 1996 · ENGLISH · PDF View details →
Stratigraphy of the Jurassic-Lower Cretaceous sediments of Jameson Land and Scoresby Land, East Greenland 1973 · ENGLISH · PDF View details →
Der bauhini–Faunenhorizont und seine Bedeutung fur die Korrelation zwischen tethyalem und subborealem Oberjura 1997 · GERMAN · PDF View details →
The Ovale Zone (Lower Bajocian, Middle Jurassic) at Little Down Wood (Dundry Hill, Somerset, SW England) 2007 · ENGLISH · PDF View details →
On the true stratigraphic position of Macrocephalites macrocephalus (Schlotheim, 1813) and the nomenclature of the standard Middle Jurassic “Macrocephalus Zone” 1992 · ENGLISH · PDF View details →
The Macrocephalitinae and associated Bathonian and Early Callovian (Jurassic) amminoids of the Sula islands and New Guinea 1988 · ENGLISH · PDF View details →