National History Museum of London
www.nhm.ac.uk
National Academy of Sciences of the Republic of Belarus
www.nasb.gov.by
State Scientific and Practical Centre for Bioresources
http://biobel.bas-net.by
Ministry of National Resources and Environmental Protection of the Republic of Belarus
www.minpriroda.by
Forest of Bialowieza
www.bialowiezaforest.eu