	Authors	Year	Title
	Closs & Gordon	1966	An Upper Paleozoic goniatite radula. Notas e Estudos, 1 (2): 73-75, pl.1, Porto Alegre.
	Gordon	1957	Mississippian Cephalopods of Northern and Eastern Alaska. Professional Papers, U.S. Geological Survey, 283: 1-61, fig.1-61, pl.1-6; Washington.
	Gordon	1960	Some American Midcontinent Carboniferous Cephalopods. Journal of Paleontology 34: 133-151, pls.27,28, 3 text-figs.,Tulsa, OK.
	Gordon	1962	Species of Goniatites in the Caney Shale of Oklahoma. Journal of Paleontology, 36: 355-357, fig.1; Tulsa, Okla.
	Gordon	1964	California Carboniferous Cephalopods. Geological Survey Professional Paper 483-A: A1-A27, 12 figs., pl.1-4, Washington.
	Gordon	1965	Carboniferous Cephalopods of Arkansas. Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].
	Gordon & Poole	1968	Mississppian-Pennsylvanian Boundary in Southwestern Nevada and Southeastern California. Geological Society of America Memoir, 110: 157-168, 4 figs., 2 pls.
	Gordon	1969	Early Pennsylvanian Ammonoids from Southern Nevada. Professional Paper, U.S. Geological Survey, 613-C, 1-13, 12 text-fig., Washington.
	Gordon	1969	An Early Reticuloceras Zone Fauna From the Hale Formation in Northwestern Arkansas. Geological Survey Professional Paper 613-A: A1-A21, 12 text-fig., 2 pl. Washington. [imprint 1968].
	Gordon	1970	Carboniferous ammonoid zones of the south-central and western United States. C.R. Sixième Congrès Internat. Stratigraphie et Géologie Carbonifère, Sheffield 1967, 2: 817-826, 2 text-figs., Sheffield.
	Gordon	1971	Goniatites americanus n. sp., a late Meramec (Mississippian) index fossil. Professional Paper US Geol.Survey 750-C: C39-C43, fig.1-3, 1 tab.; Washington.
	Gordon & Mason	1985	Progradation of the Borden Formation in Kentucky, U.S.A., demonstrated by successive Early Mississippian (Osagean) ammonoid faunas. Deuxième Congrès Intern. de Stratigraphie et de Géologie du Carbonifère, Compte Rendue, 1: 191-198, 4 fig.,Madrid.
	Gordon	1986	Late Kinderhookian (Early Mississippian) Ammonoids of the Western United States. Journal of Paleontology, Mem. 19: 1-36, fig.1-12, tab.1-6; Tulsa, Okla.
	Henry, Gordon & Schweinfurth	1985	Significance of the goniatite Bilinguites eliasi and associated biotas, Parkwood Formation and Bangor Limestone, northwestern Alabama. [T.W.Henry, M.Gordon, S.P. Schweinfurth & W.H.Gillespie]. Journal of Paleontology, 59 (5): 1138-1145, 4 fig., Lawrence, KS.
	House, Gordon & Hlavin	1986	Late Devonian ammonoids from Ohio and adjacent states. Journal of Paleontology, 60: 126-144, fig.1-7, tab.1-3; Tulsa, Okla.
	Saunders, Manger & Gordon	1977	Upper Mississippian and lower and middle Pennsylvanian ammonoid biostratigraphy of Northern Arkansas. Oklahoma Geolological Survey Guidebook 18: 117-137, fig.1-2, tab.1-2, pl.1-6.