XIII International Congress of Historical Sciences in Moscow

USSR. Moscow. August 20, 1970. Professor Boguslav Lesnodorsky (Poland), Doctor of Historical Sciences, Editor-in-Chief of the journal "Soviet Slavic Studies" Ivan Ivanovich Kosciuszko (USSR), Director of the Institute of History of Socialist Countries of the Academy of Sciences of the Czechoslovak Socialist Republic Vaclav Kral (left to right) during a conversation during a break between sessions of the XIII International Congress of Historical Sciences in the Kremlin Palace of Congresses. Valentin Kuzmin/TASS