Portrait cropped from scanned encyclopedia page
Cropped by <a href="//commons.wikimedia.org/wiki/User:Siebrand" title="User:Siebrand">Siebrand</a>
Crop from <a href="//commons.wikimedia.org/wiki/File:LA2-NSRW-1-0007.jpg" title="File:LA2-NSRW-1-0007.jpg">Image:LA2-NSRW-1-0007.jpg</a>