Author:Karel Zdislav Petlach

Works

 * Pioneer Czechs in Colfax County, in The Colfax County Press and the Clarkson Herald Consolidated, vol. 30, no. 12–39 (1933–1934), with Rose Rosicky et al.

Works about Petlach

 * Father Petlach dies at 81 years, in The Colfax County Press and the Clarkson Herald Consolidated, 1953