Since its establishment in 1987 ‘Memorial Russia’ committed itself to retrieve the experience of political repression during the Stalinist era as well as to defend human rights in post-Soviet Russia. It was awarded the Nobel Prize for Peace on October 8, 2022. During its thirty-year work the Association collected a huge amount of historical documents now preserved in a library, a Museum and a specialized archive. This article provides a description of their contents and pledges the scholarly community to prevent their dispersion and protect their public use.