BANERJEE, Ruben. “A Tale of Two Sisters”. India Today. pp. 54-61. February 29, 1996.
BOGDAN, Robert. Freak Show: Presenting Human Oddities for Amusement and Profit. 1988, The University of Chicago Press, Chicago, IL, USA.
BONDESON, Jan. A Cabinet of Medical Curiosities. 1997, Cornell University Press, New York, NY, USA.
BONDESON, Jan. The Feejee Mermaid and Other Essays in Natural and Unnatural History. 1999, Cornell University Press, New York, NY, USA.
“Christina Ritta.” The Doctor: A Medical Penny Magazine. No. 36. March 6, 1833. p. 10.
DREGER, Alice Domurat. Once of Us: Conjoined Twins and the Future of Normal. 2004. Harvard University Press, Cambridge, MA, USA.
DRIMMER, Frederick. Very Special People: The Struggles, Loves and Triumphs of Human Oddities. 1973, Amjon Publishers, New York, NY, USA.
EVE, Paul F., M.D. and Joseph Jones M.D. “Investigation of the Four-Legged Child, J. Myrtle Corban”. Journal of the American Medical Association: Contributions to Teratology. October 20, 1888.
FIELDER, Leslie. Freaks: Myths and Images of the Secret Self. Simon & Schuster, 1978.
GOULD, George M. and Walter L. Pyle. Anomalies and Curiosities of Medicine, Volume I. 1896, Reprint by IndyPublish.com, McLean, VA, USA.
HALL, Ward. My Very Unusual Friends. Ward Hall, 1991.
HARTZMAN, Marc. American Sideshow: An Encyclopedia of History’s Most Wondrous and Curiosly Strange Performers. Penguin Group, 2005.
HILTON, Daisy and Violet [attributed]. Intimate Loves and Lives of the Hilton Sisters, World Famous Siamese Twins. Wonder Book Co., Hollywood, California, 1942.
HORNBERGER, Francine. Carny Folk: The World’s Weirdest Sideshow Acts. Citadel Press, 2005.
HUNTER, Jack. Inside Teradome: An Illustrated History of Freak Film. 1995, Creation Books, London, UK.
IULIANI, Giovanni. Freaks: A Collector’s Edition of Nature’s Human Oddities, Past and Present. Publications Ideal, Inc., Montreal.
JENSEN, Dean. The Lives and Loves of Daisy and Violet Hilton: A True Story of Conjoined Twins. 2006, Ten Speed Press, Berkely, Ca.
KEMLO, Karen. Ripley’s Believe it or Not?!: A Guide. 1991, Ripley Entertainment, Inc.
KNAEBEL, Nathaniel. Step Right Up: Stories of Carnivals, Sideshows and The Circus. 2004. Carroll & Graf Publishers, New York.
“Korean Twins, The.” Scientific American, April 25, 1903, p. 318.
LENTINI, Francesco A (attributed). “Life History of Francesco A. Lentini”. [true-life pamphlet]
“Life Story and Facts About Jean and Jacques Libbera, Joined-Together Twins”. [true-life pamphlet].
LEROI, Armand Marie.Mutants: On Genetic Variety and the Human Body.Penguin Books, 2003.
LUCAS, Bob. “Now 28, Siamese Twins Make Career As Gospel Singers”.JET Magazine. pp. 14-18. 1978.
McKOY, Millie and Christine [attributed]. History and Medical Description of the Two Headed Girl. 1869. Reprint 1976 by Alton Vexerbild Co., Stratford, Conn.
MANNIX, Daniel P. Freaks: We Who Are Not as Others. 1976, Pocket Books. Reprint 1999 by RE/Search Publications, Inc.
“Masha and Dasha: Rare Study of Siamese Twins in Soviet”. LIFE Magazine. April 8, 1966.
MITCHELL, Michael. Monsters: Human Freaks in America’s Gilded Age: The Photographs of Chas. Eisenmann. 2002, ECW Press, Toronto, Ontario, Canada.
MONESTIER, Martin. Human Oddities: A Book of Nature’s Anomalies. Translated by Robert Campbell. Citadel Press, 1978, translation 1987.
NEWMAN, Horatio Hackett, M.D., Sc.D. Multiple Human Births: Twins, Triplets, Quadruplets and Quintuplets. Doubleday, Doran & Company, Inc., New York, 1940.
PARKER, Mike. The World’s Most Fantastic Freaks. Octopus Books Ltd., 1983.
PHELPS, L. McKay. “Strange Lives of Sideshow Freaks”. Sir! Magazine. Winter 1953. p. 24.
PURCELL, Rosamond. Special Cases: Natural Anomalies and Historical Monsters. Chronicle Books, 1997.
SLOAN, Mark, et al. Dear Mr. Ripley: A Compendium of Curioddities from the Believe it or Not! Archives. 1993, Ripley Entertainment, Inc.
SLOAN, Mark, et al. Hoaxes, Humbugs and Spectacles. 1990, Villard Books, a division of Random House, Inc., USA.
SPENCER, Rowena, M.D. Conjoined Twins: Developmental Malformations and Clinical Implications. The Johns Hopkins University Press, Baltimore & London, 2003.
SNYDER, Laura. “Beauties and the Freaks”. BUST Magazine. pp. 54-59. Spring 2004 Edition.
RICHARDSON, John H. In the Little World: A True Story of Dwarfs, Love and Trouble. HarperCollins Publishers, 2001.
ROSEN, Fred. Lobster Boy: The Bizarre Life and Brutal Death of Grady Stiles, Jr. 1995, Kensington Publishing Group, New York, NY, USA.
RUSID, Max. Side Show: A Photo Album of Human Oddities. 1975, Amjon Publishers.
THOMPSON, C.J.S. The Mystery and Lore of Monsters. 1968, University Books, Inc. New York, NY, USA.
“Tocci Twins, The.” Scientific American. December 12, 1891. p. 374.
WADSWORTH, Glen, M.D. “Sex Life of Siamese Twins.” Sexology. April 1957. p. 548-553.
WALLIS, Claudia. “The Most Intimate Bond”. TIME Magazine. pp. 60-64. March 25, 1996.
“Wedding for the Siamese Twins, A.” Capper’s Weekly. Topeka, Kans. September 21, 1929.
WELLS, Brooks H., M.D. “A Unique Monstrosity”.
WHALEY, Lewis, M.D. “Pregnancy in a Double Monster”. The British Medical Journal. September 22, 1888, November 10, 1888 & January 12, 1889.
WILLIAMS, Betty Lou (attributed). “History of the World’s Greatest Wonder, Betty Lue”. [true-life pamphlet]
“Xiphopages Maria and Rosalina, The.” Scientific American. February 24, 1900. p. 123.