1. Evans W. B. , 1968, Geology of the country around Macclesfield, Congleton, Crewe and Middlewich: Geol. Survey Great Britain Mem., no. 110.
2. Excavations at the hill-fort on S Barrule;Gelling;Isle of Man Nat. Hist. and Antiq. Soc. Proc.,1963
3. Datation absolue de dépots organiques würmiens en Normandie;Delibrias;Acad. sci. [Paris] Comptes rendus,1966
4. The vertebrate fossils from the glacial and associated post-glacial beds of Scotland in the Hunterian Museum, Univ. of Glasgow;Gregory;Geol. Dept. Hunterian Mus. Mon., Glasgow Univ.,1928
5. Glacier ice-thrust features of the Yukon coast;Mackay;Geog. Bull.,1959