Rudyard Kipling (2016). “Collected Works of Rudyard Kipling (Illustrated Edition): 5 Novels & 350+ Short Stories, Poetry, Historical Military Works and Autobiographical Writings from one of the most popular writers in England, known for The Jungle Book, Kim, The Man Who Would Be King”, p.747, e-artnow (Open Publishing)
Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.75, Skyhorse Publishing, Inc.
Oscar Wilde (1997). “Collected Works of Oscar Wilde: The Plays, the Poems, the Stories and the Essays Including De Profundis”, p.1044, Wordsworth Editions