<http://papyri.info/ddbdp/psi;4;431/source> <http://xmlns.com/foaf/0.1/page> <http://papyri.info/ddbdp/psi;4;431> .
<http://papyri.info/hgv/2114/source> <http://xmlns.com/foaf/0.1/page> <http://papyri.info/ddbdp/psi;4;431> .
<http://papyri.info/ddbdp/psi;4;431> <http://xmlns.com/foaf/0.1/topic> <http://papyri.info/hgv/2114/source> .
<http://papyri.info/ddbdp/psi;4;431> <http://xmlns.com/foaf/0.1/topic> <http://papyri.info/ddbdp/psi;4;431/source> .