Polonaise style referred to the arrangement of the overskirt of a dress into three bunched swags to give the hips the impression of width and to display the petticoat underneath. Polonaise style featured ankle-length petticoats that revealed high-heeled walking
Cosgrave, Bronwyn. The Complete History of Costume and Fashion: From Ancient Egypt to the Present Day. New York: Checkmark Books, 2000.
Ribeiro, Aileen. A Visual History of Costume: The Eighteenth Century. London, England: B. T. Batsford, 1983.