Edwin Booth, Edwina Booth Grossman (1894). “Edwin Booth: Recollections by His Daughter, Edwina Booth Grossmann, and Letters to Her and to His Friends”, New York : Century Company
Philosophies (1910) "In Exile" pt. 7 (describing his part in discovering the life-cycle of the malaria parasite in 1897; cf. Oxford Dictionary of Quotations (1979) 77:1)