1. The Mam Tor Sandstones: a ‘turbidite’ facies of the Namurian deltas of Derbyshire England;Allen;J. Sed. Petrol.,1960
2. Bailey , E. B. Anderson , E. M. 1925 The geology of Staffa, Iona and western Mull Mem. Geol. Surv. Scotland.
3. The Torridonian succession of the Isle of Rhum;Black;Geol. Mag.,1961
4. On a fossil tree found in an opencast coal site near Wigan, Lancashire;Broadhurst;Lpool Manchr. geol. J.,1959
5. Crampton , C. B. Carruthers , R. G. 1914 The geology of Caithness Mem. Geol. Surv. Scotland.