- An Outline of the Development of Science (The Thinker's Library) Watts & Co. 1947,
- Hanes Datblygiad Gwyddoniaeth,
gan Rhiannon a Mansel Davies, Gwasg Prifysgol Cymru, 1948.
- Physical Principles of Gas Liquefaction and Low Temperature Rectification. Longmans Green and Co, London, 1949.
- Infra-red Spectroscopy and Molecular Structure. Elsevier, 1963.
- Some Electrical and Optical Aspects of Molecular Behaviour. Pergamon, 1963
- Dielectric Properties and Molecular Behaviour
Hill, Nora E.; Vaughan, Worth E.; Price, Alun .H.; Davies, Mansel. Van Nostrand Reinhold Company, London, 1969
- Dielectric and Related Molecular Processes. Vol 1. Royal Society of Chemistry.1972, also later volumes.
- A Selection from the Writings of Joseph Needham. Book Guild Ltd, 1990. Click here for details
- A Scientist Looks at Buddhism. Book Guild Ltd, 1990. Click here for details
- The History of the Faraday Society. Royal Society of Chemistry, 1995
Mansel also wrote many shorter articles that were contributed to academic journals, or formed a sections books edited by others. One of particular significance is the following:
- “W.T. Astbury, Rosie Franklin, and DNA: A memoir”, Annals of Science, 47 (1990) 607-18