House marks
<ol><li>The mark of the Icelander Ormur Ketilsson (1369)</li>
<li>The mark of the Icelander Þórður Snorrason (1439)</li>
<li>The mark of the Swedish court judge Sweder Scalle (1413)</li>
<li>The mark of a stonemason in Uppsala Cathedral, Sweden</li></ol>
the owners of the house marks
before 1500 <div style="display: none;">date QS:P,+1500-00-00T00:00:00Z/7,P1326,+1500-00-00T00:00:00Z/9</div>
Nordisk familjebok