James Fleming, The Callendar Effect: The Life and Work of Guy Stewart Callendar (18981964) (Boston: American Meteorological Society, Springer, 2007); Ed Hawkins and Phil Jones, «On Increasing Global Temperatures: 75 Years after Callendar,» Quarterly Journal of the Royal Meteorological Society 139, no. 677 (2013): 1961–1963.
