Ype Poortinga: ferskil tusken ferzjes

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MeinRei (oerlis | bydragen)
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Rigel 27:
 
== Keppeling om utens ==
* [http://www.tresoar.nl/mmtresoar/main/content_pagina_volledig_teaser_rechts.jsp?lang=fr&pagina=7762 Ype Poortinga op de webside fan Tresoar]
* [http://www.dbnl.org/tekst/_med003mede01_01/_med003mede01_01_0613.htm Folsleine bibliografy by de DBNL]