| Sinkholes and subsidence: karst and cavernous rocks in engineering and construction T Waltham, FG Bell, MG Culshaw, M Knez, T Slabe Springer, 2005 | 887 | 2005 |
| Foundations of engineering geology T Waltham CRC press, 2002 | 442 | 2002 |
| Karst and caves of Great Britain T Waltham Springer Science & Business Media, 1997 | 145 | 1997 |
| Sinkhole hazard case histories in karst terrains T Waltham Quarterly Journal of Engineering Geology and Hydrogeology 41 (3), 291-300, 2008 | 77 | 2008 |
| A dictionary of karst and caves: a brief guide to the terminology and concepts of cave and karst science D Lowe, T Waltham British Cave Research Association, 1995 | 77 | 1995 |
| Fengcong, fenglin, cone karst and tower karst T Waltham Cave and Karst Science 35 (3), 77-88, 2008 | 71 | 2008 |
| The engineering classification of karst with respect to the role and influence of caves T Waltham Int. J. Speleol 31 (1/4), 19-35, 2002 | 66 | 2002 |
| Sinking cities T Waltham Geology Today 18 (3), 95-100, 2002 | 54 | 2002 |
| Natural and anthropogenic rock collapse over open caves T Waltham, Z Lu Geological Society, London, Special Publications 279 (1), 13-21, 2007 | 53 | 2007 |
| Catastrophe, the violent earth T Waltham (No Title), 1978 | 49 | 1978 |
| The demise of the Aral Sea–an environmental disaster T Waltham, I Sholji Geology Today 17 (6), 218-228, 2001 | 40 | 2001 |
| Collapses of old mines in Korea T Waltham, HD Park, J Suh, MH Yu, HH Kwon, KM Bang Engineering Geology 118 (1-2), 29-36, 2011 | 36 | 2011 |
| Gypsum karst near Sivas, Turkey T Waltham Cave and Karst Science 29 (1), 39-44, 2002 | 35 | 2002 |
| The Underground Atlas: a gazetteer of the world's cave regions J Middleton, T Waltham PRC, 1992 | 32 | 1992 |
| Limestones and caves of North-west England T Waltham, MM Sweeting | 30 | 1974 |
| Salt terrains of Iran T Waltham Geology today 24 (5), 188-194, 2008 | 28 | 2008 |
| Karst geomorphology of western Guizhou, China P Smart, T Waltham, M Yang, Y Zhang Cave Science 13 (3), 89-103, 1986 | 27 | 1986 |
| Control the drainage: the gospel accorded to sinkholes T Waltham Geological Society of London 49 (1), 5-20, 2016 | 25 | 2016 |
| Tiankengs: definition and description X Zhu, T Waltham Cave and Karst Science 32 (2/3), 75, 2005 | 25 | 2005 |
| China’s karst tiankeng and its value for science and tourism XW Zhu, T Waltham Sci Technol Rev 10, 60-63, 2001 | 25 | 2001 |
