<bdi><a href="https://en.wikipedia.org/wiki/en:Peter_Burnitz" class="extiw" title="w:en:Peter Burnitz"><span title="German painter (1824-1886)">Peter Burnitz</span></a>
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<a rel="nofollow" class="external text" href="https://www.the-saleroom.com/de-de/auction-catalogues/doebritz/catalogue-id-doebritz10012/lot-89009648-0275-44d6-99fe-a986012463a7">Auktionshaus Döbritz, Frankfurt am Main, 10. November 2018, lot 33 via the-saleroom.com</a>