<https://gmic.co.uk/topic/53434-unidentified-ww1-kaiserlich-deutsches-heer-signatures/page/9/#comment-572725>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://gmic.co.uk/topic/53434-unidentified-ww1-kaiserlich-deutsches-heer-signatures/page/9/?tab=comments>