Baltiĭskiĭ i︠a︡ntarʹ v sobranii Gosudarstvennogo Ėrmitazhaby O. A. FedoseenkoAmberDecorative artsAmber art objectsGosudarstvennyĭ Ėrmitazh (Russia)ExhibitionsWriting a summary for young readers…For young readersBook data: Open Library