A new ?ornithischian dinosaur from the Bull Canyon Formation (Upper Triassic) of east-central New Mexico - 1989
Aetosaurs from the Upper Triassic Dockum Formation, Post Quarry, west Texas - 1989
Charles Camp: collecting Late Triassic vertebrates in the American southwest during the 1920's and 1930's - 1989
Comments on the taxonomy of North American metoposaurs and a preliminary phylogenetic analysis of the family Metoposauridae - 1989
Geology and paleontology of the Chinle Formation, Petrified Forest National Park and vicinity, Arizona and a discussion of vertebrate fossils of the southwestern Upper Triassic - 1989
Late Triassic vertebrate localities in New Mexico - 1989
Late Triassic vertebrate localities of the Owl Rock Member (Chinle Formation) in the Ward Terrace area of northern Arizona - 1989
Microvertebrate fossils from the Petrified Forest and Owl Rock Members (Chinle Formation) in Petrified Forest National Park and vicinity, Arizona - 1989
New genotype designations for the phytosaurs Mystriosuchus and Rutiodon with a discussion of the taxonomic status of Mystriosuchus, Clepsysaurus and Rutiodon - 1989
Post Quarry - 1989