Stounbjerg, P., & Jelsbak, T. Danish expressionism: Per Stounbjerg. Torben Jelsbak. A cultural history of the avant-garde in the Nordic countries 1900 - 1925.(2012).

Stounbjerg, Per, and Torben Jelsbak. "Danish Expressionism: Per Stounbjerg. Torben Jelsbak." A Cultural History of the Avant-garde in the Nordic Countries 1900 - 1925.(2012) .

Stounbjerg, Per, and Torben Jelsbak. "Danish Expressionism: Per Stounbjerg. Torben Jelsbak." A Cultural History of the Avant-garde in the Nordic Countries 1900 - 1925.(2012), .