Aparat Represji
<a class="external text" href="https://en.wikipedia.org/wiki/Institute_of_National_Remembrance">Institute of National Remembrance</a>
<a rel="nofollow" class="external text" href="https://ipn.gov.pl/pl/publikacje/periodyki-ipn/aparat-represji-w-polsc">Institute of National Remembrance</a>