Supple: The art of arch - Mongolian contortion

Battle for the Big Top: P. T. Barnum, James Bailey, John Ringling, and the Death-Defying Saga of the American Circus

Clown: The Physical Comedian

Clown Yourself

Pallenberg Wonder Bears – From the Beginning

Under the Big Top: A Season with the Circus

The Circus: 1870-1950s

River Notes: Drought and the Twilight of the American West ― A Natural and Human History of the Colorado

The Circus: A Visual History

Queen of the Air: A True Story of Love and Tragedy at the Circus