Ruloff's Case, 11 Abbott's Practice Reports (N.S.) 245 (1871), 252. Cited in a Note on the case of Ruloff v. People 3 The Albany Law Journal 186 (March 11, 1871).
Ruloff v. People, 45 N.Y. 213 (1871) p. 225.
E. H. Freeman, The Veil of Secrecy Removed. The Only True and Authentic History of Edward H. Rulloff (Binghampton, 1871), p. 66.
"The Use of Photographs as Proof of Identity in Criminal Cases," 2 The Central Law Journal 462 (July 16, 1875) [from The Law Times].
George E. Harris, "Chapter V. Photographs," A Treatise on the Law of Identification: A Separate Branch of the Law of Evidence. (Albany, 1892).
Edward Crapsey, The Man of Two Lives! Being an Authentic History of Edward Howard Rulloff, Philologist and Murderer. (New York, 1871), p. 74.
Ruloff claimed to have discovered a process for creating colored photographs. Ibid., p. 46.
E. H. Freeman, The Veil of Secrecy Removed, p. 7. Rulofson is mentioned in passing in Robert Taft's Photography and the American Scene (New York, 1964 [1938]), p. 355, 509n.
Edward Crapsey, The Man of Two Lives!, p. 58.
Life, Trial and Execution of Edward H. Ruloff (Philadelphia, 1873), p. 68.
Edward Crapsey, The Man of Two Lives!, p. 6.
George C. Sawyer, Edward H. Rulloff [reprinted from the American Journal of Insanity, April 1872], p. 45.
George Burr, M. D., "Medico-Legal Notes on the Case of Edward H. Ruloff," p. 751.
Alan Trachtenberg, Reading American Photographs, p. 27.
Nathaniel Hawthorne, Chapter 6. "Maule's Well," The House of the Seven Gables (1851), p. 91.
Edward Crapsey, The Man of Two Lives!, p. 74.
J., J. A. "The Legal Relations of Photographs," 17 The American Law Register 1 (Jan, 1869), p. 3.
"The Legal Relations of Photography," 7 Albany Law Journal 50 (January 25, 1873), p. 50.