In 1998 took place gathering testimonies of witnesses to the Holocaust from Hajnówka and BielskPodlaski counties upon request of Israeli Embassy in Poland. The interviews are available online on the website of the Holocaust Museum in Washington:
http://collections.ushmm.org/search/catalog/irn510365
http://collections.ushmm.org/search/catalog/irn510366
http://collections.ushmm.org/search/catalog/irn510368
http://collections.ushmm.org/search/catalog/irn510407
http://collections.ushmm.org/search/catalog/irn510408
