Imperial Eagle nesting in the Sumy Polesye. - V.T. Afanasyev. - Berkut. 2. 1993. - P. 11.
3.05.1988 the nest with 2 eggs was found near the village of Shevchenkovo in Glukhov district. This is the only at present known breeding place of the Imperial Eagle in Sumy region and the most northern nest find in Ukraine. [Russian].