Stratigraphy and conodont paleontology of the Brassfield (Silurian) in the Cincinnati Arch area - Rexroad, Carl Buckner, 1925- (Bloomington, Ind. : Printed by authority of the State of Indiana, 1967)
With : Trepostomatous bryozoan fauna of the upper part of the Whitewater formation (Cincinnatian) of eastern Indiana and Western Ohio / by John Utgaard and T. G. Perry. Bloomington, Ind. : Printed by authority of the State of Indiana, 1964. Bound together subsequent to publication.
Bibliography: p. 61-64.
Keywords: Conodonts; Paleontology -- Middle West; Paleontology -- Silurian