Field MH, Lewis SG(2018). The first Pleistocene fossil records of Urtica kioviensis Rogow. (Urticaceae) and Potamogeton sukaczevii Wieliczk. (Potamogetonaceae) in the British Isles. Vegetation History and Archaeobotany
Ashton N, HARRIS C, LEWIS SG(2018). Frontiers and route-ways from Europe: the Early Middle Palaeolithic of Britain. Journal of Quaternary Science vol. 33, (2) 194-211.
Hatch M, Davis RJ, Lewis SG et al.(2017). The stratigraphy and chronology of the fluvial sediments at Warsash, UK: implications for the Palaeolithic archaeology of the River Test. Proceedings of the Geologists' Association vol. 128, (2) 198-221.
Ashton N, Lewis SG, Parfitt SA et al.(2016). Handaxe and non-handaxe assemblages during Marine Isotope Stage 11 in northern Europe: recent investigations at Barnham, Suffolk, UK. Journal of Quaternary Science vol. 31, (8) 837-843.
(2016). The Palaeolithic record of Warsash, Hampshire, UK: implications for late Lower and early Middle Palaeolithic occupation history of Southern Britain. Proceedings of the Geologists' Association vol. 127, (5) 558-574.
Voinchet P, Moreno D, Bahain J-J et al.(2015). New chronological data (ESR and ESR/U-series) for the earliest Acheulian sites of north-western Europe. JOURNAL OF QUATERNARY SCIENCE vol. 30, (7) 610-622.
Ashton N, LEWIS S, HARRIS CRE(2015). The distribution of early Palaeolithic sites in Britain. No Stone Unturned: Papers in Honour of Roger Jacobi, Editors: Ashton, N, HARRIS, C, Lithic Studies Society
Ashton N, Lewis SG, De Groote I et al.(2014). Hominin Footprints from Early Pleistocene Deposits at Happisburgh, UK. PLOS ONE vol. 9, (2) Article ARTN e88329,
Bailiff I, LEWIS SG, Drinkall HC et al.(2013). Luminescence dating of sediments from a Palaeolithic site associated with a solution feature on the North Downs of Kent, UK. Quaternary Geochronology vol. 18, 135-148.
Ashton NM, LEWIS SG(2012). The environmental contexts of early human occupation of northwest Europe: the British Lower Palaeolithic record. Quaternary International vol. 271, 50-64.
LEWIS S, Ashton N, Jacobi RM(2010). Testing human presence during the last interglacial (MIS 5e): a review of the British evidence. The Ancient Human Occupation of Britain, Editors: Ashton, N, Lewis, SG, Stringer, C, Elsevier Science
Parfitt SA, Ashton NM, Lewis SG et al.(2010). Early Pleistocene human occupation at the edge of the boreal zone in northwest Europe. NATURE vol. 466, (7303) 229-233.
Ashton N, Lewis SG, Stringer C(2010). The Ancient Human Occupation of Britain. Elsevier Science
Ashton N, Lewis SG, Parfitt SA et al.(2008). New evidence for complex climate change in MIS 11 from Hoxne, Suffolk, UK. QUATERNARY SCI REV vol. 27, (7-8) 652-668.
Preece RC, Parfitt SA, Bridgland DR et al.(2007). Terrestrial environments during MIS 11: evidence from the Palaeolithic site at West Stow, Suffolk, UK. QUATERNARY SCI REV vol. 26, (9-10) 1236-1300.
Preece RC, Gowlett JAJ, Parfitt SA et al.(2006). Humans in the Hoxnian: habitat, context and fire use at Beeches Pit, West Stow, Suffolk, UK. J QUATERNARY SCI vol. 21, (5) 485-496.
Ashton N, Lewis SG, Stringer C(2006). Introduction: The Palaeolithic occupation of Europe. A tribute to John J. Wymer, 1928-2006. J QUATERNARY SCI vol. 21, (5) 421-424.
Ashton N, Lewis SG, Parfitt S et al.(2006). Riparian landscapes and human habitat preferences during the Hoxnian (MIS 11) interglacial. J QUATERNARY SCI vol. 21, (5) 497-505.
Lewis SG, Maddy D, Buckingham C et al.(2006). Pleistocene fluvial sediments, palaeontology and archaeology of the upper River Thames at Latton, Wiltshire, England. J QUATERNARY SCI vol. 21, (2) 181-205.
LEWIS SG, Parfitt S, Ashton NA et al.(2005). Excavations at the Lower Palaeolithic site at Elveden, Suffolk, UK. Proceedings of the Prehistoric Society vol. 71,
LEWIS SG, Glenday SS, Maddy D(2004). The Thames Valley Sediment conveyor: fluvial system development over the last two interglacial-glacial cycles. Quaternaire. vol. 15, 17-28.
LEWIS SG, Schreve DC, Robertson DA et al.(2003). Middle Palaeolithic Site at Lynford Quarry, Mundford, Norfolk: Interim Staatement. Proceedings of the Prehistoric Society. vol. 69, 315-324.
Ashton N, Lewis S(2002). Deserted Britain: Declining populations in the British Late Middle Pleistocene. ANTIQUITY vol. 76, (292) 388-396.
Lewis SG, Maddy D, Scaife RG(2001). The fluvial system response to abrupt climate change during the last cold stage: the Upper Pleistocene River Thames fluvial succession at Ashton Keynes, UK. GLOBAL PLANET CHANGE vol. 28, (1-4) 341-359.
Lewis SG, Birnie JF(2001). Little ice age alluvial fan development in Langedalen, western Norway. GEOGR ANN A vol. 83A, (4) 179-190.