1. The post-Silurian pre-marine Carboniferous sedimentary rocks of the eastern side of the English Lake District;Capewell;Q. J. geol. Soc. Lond.,1955
2. The Borrowdale Volcanic Series between Buttermere and Wasdale, Cumberland;Clark;Proc. Yorks. geol. Soc.,1964
3. Notes on the geology of the Lake District;Dakyns;Geol. Mag.,1869
4. Dean , W. T. 1963 The Stile End Beds and Drygill Shales (Ordovician) in the east and north of the English Lake District Bull. Brit. Mus. (Nat. Hist.) geol. 9 49
5. Dixon , E. E. L. 1925 Summ. Prog. Geol. Surv 70