Tax and legal documents on the tax situation of the Colonos Erwin Fege Fabian, Hartmut Hopp, Siegfried Laube Laib, Hans Jurgen Rosland Bollman, Winfried Schmidtke Zeitner, María Margarethe Strebe Pralle, Karl Berg Schuurmann, Siegmar Wellnitz Zupp and Wolfgang Zeitner Bohnau, before Servicio de Impuestos Internos [Internal Revenue Service]