Plattegrond van Thetinga State (ook wel Walta State) in Wieuwerd, door Johann Andreas Graff (ca. 1686).
Johann Andreas Graff (1637-1701)
circa 1686 <div style="display: none;">date QS:P,+1686-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a class="external free" href="https://upload.wikimedia.org/wikipedia/fy/3/31/Tetingastate.jpg">https://upload.wikimedia.org/wikipedia/fy/3/31/Tetingastate.jpg</a>