Norman Lockyer, «Sunspots and Famines,» Nineteenth Century 2, no. 9 (1877): 583–602.
136
. Imperial Gazetteer of India, chapter 3, «Meteorology» (London: Clarendon Press, 1909), 104.
137
Norman Lockyer, «The Meteorology of the Future,» Nature 8 (12 December 1872): 99.
138
Цит. в: J. Norman Lockyer and W. W. Hunter, «Sunspots and Famine,» Nineteenth Century (1877): 591.
139
Clerke, Popular History, 176. Также см.: Helge Kragh, «The Rise and Fall of Cosmical Physics: Notes for a History, c. 18501920»; , accessed 17 December 2018.
