• TDX (Doctoral Thesis in Network):
    TDX (Doctoral Theses in Network) collects, in digital format, doctoral dissertations in Catalan universities and other autonomous communities. Free Access.
     
  • TESEO Data Base:
    Database of doctoral theses read in Spanish universities. Free access.
     
  • DART-Europe E-theses Portal:
    The DART-Europe portal provides access to doctoral theses presented at European universities. Free access.