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Sams, Richard H. 1982. Newly discovered dinosaur tracks, Comal County, Texas. Preliminary observations. Bulletin of the South Texas Geological Society, Vol. XXIII, No.1, pp. 19 - 23.

Santos, V.F. dos, Lockley, M.G., Meyer, C.A., Carvalho, J., Galopim de Carvalho, N.M. & Moratalla, J.J. 1994. A New Sauropod Tracksite from the Middle Jurassic of Portugal. Gaia: Revista de Geociencias, Museu Nacional de Historia Natural, Lisbon, Portugal, 10: 5 - 14.

Santos, V.F., Lockley, M.G., Moratalla, J.J. & Galopim, A. 1992. The longest dinosaur trackway in the world? Interpretations of Cretaceous footprints from Carenque, near Lisbon, Portugal. Gaia: Revista de Geociencias, Museu Nacional de Historia Natural, Lisbon, Portugal, 5: 18 - 27.

Sarjeant, William Antony S., 1966. A restudy of some fossil footprints from the Permian of Mansfield (Notts.). The Mercian Geologist., Vol. 1, No. 4, pp. 367 - 373.

Sarjeant, W.A.S. 1971. Vertebrate tracks from the Permian of Castle Peak, Texas. Texas J. Sci., 22: 343 - 366.

Sarjeant, W.A.S. 1975. "Fossil tracks and impressions of vertebrates", pp. 283 - 324. In: R.W. Frey, (ed.). The Study of Trace Fossils. New York: Springer-Verlag.

Sarjeant, William A.S., 1976. Track of a small amphibian from the Pennsylvanian of Oklahoma. The Texas Journal of Science, Vol. XXVII, No. 1.

Sarjeant, W. A. S. 1981. In the footsteps of the dinosaurs. Explorers Journal, 59 (4): 213 - 223.

Sarjeant, W.A.S., 1982. Further vertebrate footprints from the Lower Permian sandstones of Cumbria. The Cumberland Geological Society, Vol. 4, part 2, pp. 111 - 115.

Sarjeant, W.A.S., 1983. British fossil footprints in the collections of some principal British museums. The Geological Curator, Vol. 3, No.9, pp. 541 - 560.

Sarjeant, William A.S., 1984. The Beasley collection of photographs and drawings of fossil footprints and bones, and of fossil and recent sedimentary structures. The Geological Curator, Vol. 4, No. 3, pp. 133 - 163.

Sarjeant, William A.S. 1987. "Festivals and fossil footprints". The Guild Gazette, Vol. 6, No. 1, p. 2.

Sarjeant, W.A.S., 1988. Fossil vertebrate footprints. Geology Today, Vol.4, No.4, pp. 125 - 130.

Sarjeant, W.A.S., 1989. 'Ten Paleoichnological Commandments': A standardized procedure for the description of fossil vertebrate footprints, pp. 369 - 370. In Gillette, D.D. & Lockley, M.G., (eds.) Dinosaur Tracks and Traces. NewYork: Cambridge University Press.

Sarjeant, W.A.S. 1996. A re-appraisal of some supposed dinosaur footprints from the Triassic of the English Midlands. Mercian Geologist, 14(1): 22 - 30.

Sarjeant, W.A.S. 1996. Pisadas En Las Arenas Del Tiempo: Pisadas De Vertebrados Y La Interpretacion De Paleoambientes Sedimentarios. Perspectiva Historica Y Principales Aplicaciones. Publication Especial 4, 1 Reunion de Ichologia; 1996, pp. 31 - 46.

Sarjeant, W.A.S. & W. James Kennedy, 1973. Proposal of a Code for the nomenclature of trace-fossils. Canadian Journal of Earth Sciences., 10: 460.

Sarjeant, William Antony S. & Langston, Wann Langston JR. 1994. Vertebrate footprints and invertebrate traces from the Chadronian (Late Eocene) of Trans-Pecos Texas. Texas Memorial Museum Bulletin 36. Flyer for a talk at the University of Texas at Austin, January 30, 1994.

Sarjeant, William A.S. & Mossman David J., 1978. Vertebrate footprints from the Carboniferous sediments Of Nova Scotia: A historical review and description of newly discovered forms. Palaeogeography, Palaeoclimatology, Palaeoecology, 23: 297 - 306.

Sarjeant, W.A.S. & Stringer, Peter 1978. Triassic reptile tracks in the Lepreau Formation, southern New Brunswick, Canada. Canadian Journal of Earth Sciences, 15: 594 - 602.

Sarjeant, W. A. S. & Thulborn, R. A. 1986. Probable marsupial footprints from the Cretaceous sediments of British Columbia. Canadian Journal of Earth Sciences, 23: 1223 - 1227.

Sarjeant, William A. S. & Wilson, John A. 1988. Late Eocene (Duchesnean) mammal footprints from the Skyline Channels of Trans-Pecos Texas. The Texas Journal of Science, Vol. 40, No. 4, November 1988.

Schultz-Pittman, R.J., Lockley, M., & Gaston, R. 1996. First reports of synapsid tracks from the Wingate and Moenave Formations, Colorado Plateau region, pp. 271 - 273. In: Continental Jurassic Symposium Volume. Museum of Northern Arizona.

Shuler, E. W. 1917. Dinosaur tracks in the Glen Rose Limestone, near Glen Rose, Texas. American Journal of Science, 44: 294 - 298.

Shuler, E. W. 1917. Dinosaur track mounted in the bandstand at Glen Rose. American Journal of Science, 4: 294-297.

Shuler, Ellis W. 1937. Dinosaur tracks at the fourth crossing of the Paluxy River near Glen Rose, Texas. Field & Laboratory, Volume V, Number 2, pp. 33 - 36.

Sternberg, C. M. 1926. Dinosaur tracks from the Edmonton Formation of Alberta. Can. Dept. of Mines, Geo. Survey, Geo. Series Canada, No. 46, Bull. No. 44: 85 - 87.

Sternberg, C.M. 1931. Lower Cretaceous dinosaur tracks in Peace River Canyon, British Columbia. Bull. Geol. Soc. Amer., Vol. 42, p. 362.

Sternberg, C. M. 1932. Dinosaur tracks from Peace River, British Columbia. National Museum of Canada, Annual Report, 1930, pp. 59 - 85.

Sternberg, C.M. 1933. Prehistoric footprints in Peace River. Canadian Geographic Journal, 6: 92 - 102.

Stokes, W.L. 1957. Pterodactyl tracks from the Morrison Formation. Journal of Paleontology, 31: 952 - 954.

Stokes, Wm. Lee 1986. Alleged human footprints from Middle Cambrian strata, Millard County, Utah. Journal of Geological Education, 34: 187 - 190.

Storer, J. 1975. Dinosaur tracks, Columbosauripus ungulatus (Saurischia: Coelurosauria), from the Dunvegan Formation (Cenomanian) of northeastern British Columbia. Canadian Journal of Earth Sciences 12: 1805 - 1807.