1. Lord Kelvin and the Age of the Earth
2. Holmes Arthur, The age of the Earth (New York, 1913), 120. On Holmes and his important work in geology and geophysics, see Lewis Cherry L. E., The dating game: One man's search for the age of the Earth (Cambridge, 2000), and idem, “Arthur Holmes' vision of a geological timescale”, in Lewis C. L. E., Knell S. J. (eds), The age of the Earth: From 4004 BC to AD 2002 (London, 2001), 121–38.
3. Matter and Spirit in the Universe