Clark, J.M.; Hopson, J.A. (1985). "Distinctive mammal-like reptile from Mexico and its bearing on the phylogeny of the Tritylodontidae". Nature. 315 (6018): 398–400.
doi:
10.1038/315398a0.
S2CID4280605.
Hopson, J.A. & H.R. Barghusen. 1986. An analysis of therapsid relationships. In: The Ecology and Biology of Mammal-like Reptiles (Ed. by N. Hotton III, P. D. MacLean, J. J. Roth, & E. C. Roth), pp. 83–106. Washington DC: Smithsonian Institution Press.
Hopson, J.A. 1991. Systematics of the non-mammalian Synapsida and implications for patterns of evolution in synapsids. In: Controversial Views on the Origin of Higher Categories of Vertebrates (Ed. by H. P. Schultze & L. Trueb), Ithaca: Cornell University Press.
Allin, E.F. & J.A. Hopson. 1991. Evolution of the auditory system in Synapsida ("mammal-like reptiles" and primitive mammals) as seen in the fossil record. In: The Evolutionary Biology of Hearing (Ed. by D. B. Webster, A. Popper, and R. Fay), New York: Springer-Verlag.
Wible, J. R. & J. A. Hopson. 1993. Basicranial evidence for early mammal phylogeny. In: Mammal Phylogeny (Ed. by F. S. Szalay, M. J. Novacek, & M. C. McKenna), New York: Springer-Verlag.
Hopson, J. A.; Rougier, G. W. (1993). "Braincase structure in the oldest known skull of a therian mammal: Implications for mammalian systematics and cranial evolution". American Journal of Science. 293: 268–299.
doi:
10.2475/ajs.293.a.268.
Hopson, J.A. (1995). "Patterns of evolution in the manus and peers of non-mammalian therapsids". Journal of Vertebrate Paleontology. 15 (3): 615–639.
doi:
10.1080/02724634.1995.10011252.
^Hopson, James A. (1975). "The evolution of cranial display structures in hadrosaurian dinosaurs". Paleobiology. 1 (1): 21–43.
doi:
10.1017/s0094837300002165.
Bibliography
A. W. Crompton, Farish A. Jenkins, Jr., Susan Hopson, Timothy J. Gaudin, and Matthew T. Carrano, "James Allen Hopson: A Biography", pages 507-515 in Amniote Paleobiology: Perspectives on the Evolution of Mammals, Birds, and Reptiles: A volume honoring James Allen Hopson, edited by Matthew T. Carrano, Timothy J. Gaudin, Richard W. Blob, and John R. Wible. The University of Chicago Press, Chicago & London, 2006
ISBN0-226-09477-4