Annie Wood Besant (1910). “The Changing World: And Lectures to Theosophical Students; Fifteen Lectures Delivered in London During May, June, and July 1909”
Rudyard Kipling (2015). “The Complete Works of Rudyard Kipling (Illustrated): 5 Novels & 440+ Short Stories, Complete Poetry, Historical Military Works and Autobiographical Writings (Kim, The Jungle Book, The Man Who Would Be King, Land and Sea Tales, Captain Courageous…)”, p.44, e-artnow