The Bee [Danville, PA]. "Probe of Deaths [of] Siamese Twins Begun Yesterday." March 31, 1922.

Bismarck [ND] Tribune. "'Siamese' Twins, One a Mother". March 11, 1922.

Bismarck [ND] Tribune. "Siamese Twins Die Only Few Seconds Apart". March 30, 1922.

Bridgeport [CT] Telegram. "Prepare to Operate on 'Siamese' Twins". March 29, 1922.

CAMPBELL, Frederic, MD. "Daily Science Talk: New 'Siamese Twins'". Frederick [MD] Evening Post. February 8, 1911.

Clearfield [PA] Progress. "Siamese Twins Will Likely Recover". March 2, 1922.

Clearfield [PA] Progress. "Siamese Twin Chooses to Follow Sister in Death: Both Are Dead". March 30, 1922.

Clearfield [PA] Progress. "The Polish Siamese twins..." April 6, 1922.

Coshocton [PA] Tribune. "Siamese Twins Die Thursday Morning Seven Minutes Apart". March 30, 1922.

Coshocton [PA] Tribune. "Did Son of Siamese Twins have an Aunt or Two Mothers, is Puzzling Officials". March 31, 1922.

Davenport [IA] Democrat And Leader. "Siamese Twins Not to be Severed". January 15, 1922.

Davenport [IA] Democrat And Leader . "Twins Joined Together May Be Separated". March 29, 1922.

Decatur [IL] Review. "Son of 'Siamese Twins' is 'Embarrassed'". February 24, 1922.

Fitchburg [MA] Daily Seninel. "Siamese Twin Gives Birth to Son". April 20, 1910.

Frederick [MD] News. "Surprised At Being Made An Aunt". April 19, 1910.

Frederick [MD] News. "Josefa and Rosa Blazek, Siamese Twins, Are Dead". March 30, 1922.

Frederick [MD] News. "'Vast Fortune Is $400". April 20, 1922.

Frederick [MD] Post. "Siamese Twins Die In Chicago". March 31, 1922.

Gettysburg [PA] Times. "Freak Sisters Arrive". February 23, 1921.

Gleaner, The [Kingston, Jamaica]. "Siamese Twins Died Thursday in Chicago City". April 1, 1922.

HORNBERGER, Francine. Carny Folk: The World's Strangest Sideshow Acts. Citadel Press, 2005.

Lima [OH] News. "Siamese Twin Is Near Death". March 28, 1922.

Lima [OH] News. "Illness of Siamese Twin Presents Puzzle to Chicago Physicians". March 29, 1922.

Lima [OH] News. "Siamese Twins Are Dead". March 30, 1922.

Lima [OH] News. "Rosa-Josefa". April 1, 1922.

Lima [OH] News. "X-ray examination..." April 3, 1922.

Lincoln [NE] Evening News. "Bohemian Twins". December 29, 1904.

Lincoln [NE] Star. "Famous Twins in Chicago Hospital". March 26, 1922.

LITTLE, Carl Victor, United Press Staff Correspondent. "Siamese Twins to Die as One". Port Arthur [TX] Daily News. March 29, 1922.

NORTH, Phillip, London Correspondent. "Greatest Freak". Lima [OH] Times-Democrat.December 3, 1904.

Oakland [CA] Tribune. "Two Sisters Enter Hospital for Birth, Are Siamese Twins". April 19, 1910.

Oneonta [NY] Daily Star. "Siamese Twins Joined At Spine, X-Ray Reveals". April 3, 1922.

Port Arthur [TX] Daily News. "Operation Would Have Killed Siamese Twins". April 3, 1922.

Sandusky [OH] Star. "Wonderful Bohemian Twins". December 6, 1904.

Sheboygan [WI] Press-Telegram. "'Wealth of Siamese Twins Amounts to $400, Petition Shows". April 19, 1922.

SILLS, E. Scott, MD, Jana Vrbikova, MD and Biljana Kastratovic-Kotlica, MD, PhD. "Conjoined twins, conception, pregnancy and deliver: A reproductive history of the pygopagus Blažek sisters (1878-1922)". American Journal of Obstetrics and Gynecology, June 26, 2001. Volume 185, Number 6. pp. 1396-1402. Syracuse [NY] Herald. "Surgical Separation of Siamese Twins Is Before Doctors". January 13, 1922.

Syracuse [NY] Herald. "Siamese Twins Start Trouble". January 21, 1922.

Syracuse [NY] Herald. "Siamese Twins Die As Brother Bans Operation". March 30, 1922.

Syracuse [NY] Herald. "Court Must Decide If Boy Is Son and Heir To One or Both of 'Siamese Twins'". March 31, 1922.

Statesville [NC] Landmark. "'Siamese Twins' Are Dead". March 30, 1922.

Trenton [NJ] Times. "A Freak at the Fair". January 4, 1893.

Washington [DC] Post. "'Siamese Twins' Dead, College to Get Bodies". March 31, 1922.