A Catalogue of the collection of Cambrian and Silurian fossils, contained in the Geological
Museum of the University of Cambridge / by J. W. Salter,... ; with a preface by the
rev. Adam Sedgwick,... ; and a table of genera and index added by Professor Morris,....
- Cambridge : University Press, 1873
Internet, authorities.loc.gov, cité 2009-02-25
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