President- www.president.bg

National Assembly of the Republic of Bulgaria- www.parliament.bg

Council of Ministers- www.government.bg

United Nations- www.un.org

UNESCO- www.unesco.org

National Commission for UNESCO- www.unesco-bg.org

European Parliament- www.europarl.europa.eu

European Commission- www.ec.europa.eu

Representation of the European Commission in Bulgaria- www.ec.europa.eu/bulgaria

Bulgarian Orthodox Church- www.bg-patriarshia.bg

Wickipedia, The free encyclopedia- www.wikipedia.org