A robust tapir from Northern Arizona - 1984
The Upper Triassic Red Bed Flora of the Colorado Plateau, Western United States - 1987
Taphonomy and paleoecology of the Dockum Group, Howard County, Texas - 1987
The late Pleistocene avifauna of Crystal Ball Cave, Utah - 1987
A new Cretaceous brachiosaurid dinosaur from southern Arizona - 1998