Petr Petrovich Orlov (1899-1991). - M.N. Gavrilyuk. - Berkut. 4 (1-2). 1995. P. 88-89.
Biographical data about this famous explorer of birds on the Middle Dnieper area and in South-East Ukraine are presented. The list of main works is published. [Ukrainian].
Key words: history, P.P. Orlov.