Kwiecień, Sebastian. “Competences of a Voivode in the Light of the Provisions of the Ordinance on Industrial Law Issued by the President of the Polish Republic on 7. June 1927”. Czasopismo Prawno-Historyczne, vol. 60, no. 1, June 2005, pp. 119-38, doi:10.14746/cph.2008.1.6.