Documents, photographs, witness statements, films and all sources systematically collected by Porta Polonica are digitized and recorded in a database.
H.D. Buchloh´s book “Gerhard Richters Birkenau-Gemälde”
Parallel to the official opening of the exhibition of the picture cycle, the art historian Benjamin H.D. Buchloh published his book "Gerhard Richter's Birkenau-Gemälde", 2019.