A New Species of Sauropod Dinosaur, Haplocanthosaurus delfsi sp. nov., from the Upper Jurassic Morrison Fm. of ColoradoPublished in Kirtlandia, in 1988, in volume 43, pages 3-26Isolated Tetrapod Remains from the Carboniferous of West VirginiaPublished in Kirtlandia, in 1988, in volume 43, pages 27-36
Isolated Tetrapod Remains from the Carboniferous of West VirginiaPublished in Kirtlandia, in 1988, in volume 43, pages 27-36