Nettelroth, H. (1889). Kentucky Fossil Shells. A monograph of the fossil shells of the silurian and devonian rocks of Kentucky. Kentucky Geological Survey. pp. 245, 34 pls, 4 unnumbered pages with errata.
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Nettelroth, H.
1889
Kentucky Fossil Shells. A monograph of the fossil shells of the silurian and devonian rocks of Kentucky.