1. Glacial and post-glacial geology of Middlesbrough and the Tees estuary;Agar;Proceedings of the Yorkshire Geological Society,1954
2. British Regional Geology: The Pennines and Adjacent Areas;Aitkenhead,2002
3. The Tees laminated clays;Bell,1991
4. Westward pro-glacial drainage in Cleveland;Best;Proceedings of the Yorkshire Geological Society,1956
5. Late Quaternary Landscape Evolution of the Swale–Ure Washlands;Bridgland,2010