	Authors	Year	Title
	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.
	House	1993	Earliest Carboniferous goniatite recovery after the Hangenberg Event. Annales de la Societé géologique de Belgique, 115 (2): 559-579, fig.1-2, pl.1-5; Bruxelles.