1. Soil classification;Baldwin,1938
2. Glacial geologu and glacial deposition of the last mid-latitude ice sheets;Boulton;Journal of the Geological Society of London,1985
3. Loess in the soils of North Norfolk;Catt;Journal of Soil Science,1971
4. Soils in Norfolk II Sheets TG 13/14 (Barningham/Sheringham), Soil Survey;Corbett,1974
5. The relationship of climate and geological factors to the composition of soil clay and the distribution of soil types;Crowther;Proceedings of the Royal Society B,1930