On the fauna of the Lower Carboniferous limestones of Spergen Hill, Ind., with a revision of the descriptions of its fossils hitherto published, and illustrations of the species from the original type series. Bulletin of the AMNH ; v. 1, article 5.

Whitfield, Robert Parr, 1828-1910.2005-10-062005-10-061882http://hdl.handle.net/2246/1695p. [39]-97, [4] leaves of plates : ill. ; 24 cm.Includes bibliographical references.en-USQH1 .A4 vol.1, art.5, 1882Invertebrates, Fossil -- Indiana -- Washington County.Mollusks, Fossil -- Indiana -- Washington County.Paleontology -- Carboniferous -- Indiana -- Washington County.Paleontology -- Indiana -- Washington County.On the fauna of the Lower Carboniferous limestones of Spergen Hill, Ind., with a revision of the descriptions of its fossils hitherto published, and illustrations of the species from the original type series. Bulletin of the AMNH ; v. 1, article 5.text