Pennsylvanian invertebrates of the Mazon Creek area, Illinois. EurypteridaPublished in Fieldiana Geology, in 1963, in volume 12, issue 6, pages 85-106Parasaurolophus cyrtocristatus, a crested hadrosaurian dinosaur from New MexicoPublished in Fieldiana Geology, in 1963, in volume 14, issue 8, pages 143-168
Parasaurolophus cyrtocristatus, a crested hadrosaurian dinosaur from New MexicoPublished in Fieldiana Geology, in 1963, in volume 14, issue 8, pages 143-168