Based on the law CCIV. 53/A. § (2011) connected to the national higher education and the government decision 1167/2014 (25th March), the PhD theses have been written on the University of Sopron are provided with DOI (Digital Object Indentifier) number and they are recorded in the Hungarian Scientific Bibliographic Database (MTMT). The theses can be found with open access and full text in the Repository of Dissertations (http://doktori.uni-sopron.hu). The Repository of Dissertations has contained of the defended PhD theses of the University of Sopron (Regulation of the doctoral act can be reached here: http://www.uni-sopron.hu/fileadmin/dokumentumok/rektori/szmszm/doktori_szab_100629.pdf.