The fossils and palæontological affinities of the Neocomian deposits of Upware and Brickhill (Cambridgeshire and Bedfordshire) : being the Sedgwick prize essay for the year 1879 Keeping, Walter creator text book Cambridge [England] University Press 1883 1883
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ENG Bedfordshire Cambridgeshire Cretaceous England Paleontology QE754 .K4 https://www.biodiversitylibrary.org/bibliography/13866 20847361 10.5962/bhl.title.13866 CUY