Delaney, J. J. «Social Contact and Personal Relations of German Catholic Peasants and Polish Workers (POWs, Civilian, and Forced Laborers) in Bavaria’s Rural War Economy, 1939-1945». Annali dell’Istituto Storico Italo-Germanico in Trento = Jahrbuch Des Italienisch-Deutschen Historischen Instituts in Trient, vol. 28, gennaio 2002, pagg. 389-04, https://heyjoe.fbk.eu/index.php/anisig/article/view/3500.