1. An experiment in the classification of the colourings of soils, based on the doctrine of Wilhelm Ostwald;Arkangelskaya,1930
2. Land use in pre-Columbian America;Armillas;Arid Zone Res. (UNESCO, Paris),1961
3. The Bernal Lecture, 1971. Science and anti-science;Ashby Sir,1971
4. The arid zone of India and Pakistan;Bharadwaj;Arid Zone Res. (UNESCO, Paris),1961
5. Physico-chemical analysis of the compressibility of pure clays;Bolt;Géotechnique,1956