Rudolf Johannes van Niekerk has written:
'DIE NAGLOPER'
Rudolf Johannes Schmied has written: 'Carlos und Nicolas'
Rudolf Wacker has written: 'Rudolf Wacker'
Johannes Dorflinger has written: 'Johannes Dorflinger'
Johannes Vennekamp has written: 'Johannes Vennekamp'
Johannes Brus has written: 'Johannes Brus'
Johannes Figulla has written: 'Johannes Figulla'
Rudolf Passian has written: 'Wiedergeburg'
Rudolf Mohar has written: 'Pesmi'
Rudolf A. Wiley has written: 'Biobalance2'
Rudolf Weiss has written: 'Ganslhaut'
Rudolf Hollinger has written: 'Gedichte'
Rudolf Pokorny has written: 'Augiensia'