1. 1953 ‘Glacier variations and climatic fluctuations.’ Bowman memorial lecture, No. 3, Amer. Geogr. Soc.
2. The Distribution of Carbon-14 in Nature
3. 1945 ‘La desglaciacion Andina y sus Consecuencias,’ Rev. Ciene., Lima, No. 444, p. 159.
4. Climatic fluctuation in the Greenland and Norwegian Seas
5. The artificial production of carbon dioxide and its influence on temperature