Neogene Paleontology of the Manonga Valley, Tanzania. Plenum Press, New York and London

Fossil Fish from the Manonga Valley, Tanzania: Description, Paleoecology, and Biogeographic Relationships - 1997

Fossil Proboscidea from the Wembere-Manonga Formation, Manonga Valley, Tanzania - 1997

Fossil Ruminants (Mammalia) from the Manonga Valley, Tanzania - 1997

Homonid Origins: A View from the Manonga Valley - 1997

Intoduction: Paleontological and Geological Research in the Manonga Valley, Tanzania - 1997

Late Cenozoic Freshwater Mollusks of the Wembere-Manonga Formation, Manonga Valley, Tanzania - 1997

Later Neogene Hipparions from the Manonga Valley, Tanzania - 1997

Minerology of the Wembere-Manonga Formation, Manonga Valley, Tanzania, and Possible Provenance of the Sediments - 1997

Paleontology and Biochronology of Fossil Localities in the Manonga Valley, Tanzania - 1997

Systematics, Paleobiogeography, and Paleoenvironmental Significance of Rodents from the Ibole Member, Manonga Valley, Tanzania - 1997

The Anatomy, Paleobiology, and Phylogenetic Relationships of the Hippopotamidae (Mammalia, Artiodactyla) from the Manonga Valley, Tanzania - 1997