Brown, E. H.1969: Jointing, aspect and the orientation of scarp-face dry valleys, near Ivinghoe, Buckinghamshire. Transactions of the Institute of British Geographers48, 61-73.
2.
Fagg, C. C.1923: The recession of the chalk escarpment and the development of chalk valleys. Proceedings and Transactions of the Croydon Natural History and Scientific Society9, 93-112.
3.
Gregory, K.1966: Dry valleys and the composition of the drainage net. Journal of Hydrology4, 327-340.
4.
Kerney, M. P., Brown, E. H. and Chandler, T. J.1964: The late-glacial and post-glacial history of the chalk escarpment near Brook, Kent. Philosophical Transactions of the Royal Society248B, 135-204.
5.
King, C. A. M.1980: William Vaughan Lewis 1907-1961. Geographers: Biobibliographical Studies (edited by T.W. Freeman and P. Pinchard) 4, 113-120.
6.
Lewis, W. V.1938: A meltwater hyptheses of cirque formation. Geological Magazine75, 249-265.
7.
Lewis, W. V.1944: Stream trough experiments and terrace formation. Geological Magazine81, 241-253.
8.
Lewis, W. V. editor 1960: Investigations on Norwegian cirque glaciers. Royal Geographical Society Research Series 4.
9.
Lewis, W. V. and Miller, M. M.1955: Kaolin model glaciers. Journal of Glaciology2, 533-538.
10.
Oakley, K. P.1936: Field meeting at Cheddingon, Ivinghoe and Gubblecote. Proceedings of the Geologists’ Association47, 38-41.
11.
Reid, C.1887: On the origin of the dry chalk valleys and of the coombe rock. Quarterly Journal of the Geological Society43, 364-373.
12.
Small, R. J.1965: The role of spring sapping in the formation of Chalk escarpment valleys. Southampton Research Series in Geography. Southampton University, 3-30.
13.
Sparks, B. W. and Lewis, W. V.1957: Escarpment dry valleys near Pegsdon, Hertfordshire. Proceedings of the Geologists’ Association68, 26-38.
14.
Wilkinson, K. N.2003: Colluvial deposits in dry valleys in southern England as proxy indicators of paleaoenvironmental and land-use change. Geoarchaeology: an International Journal18, 725-755.
