Klopmann, Ewald von2012-08-212012-08-211758Est.A-410http://hdl.handle.net/10062/26117deCC0 1.0 UniversalKettler, Gotthard, Kuramaa hertsog, 1517-1587KuramaaEstonica koguJus ducem eligendi perillustribus statibus Curlandiae et Semigalliae competens, extincta quoque stirpe masculina KettleriBook