Singing voice in a healthy and sick state

Levidov, I.I.A singing voice in a healthy and sick state / Dr. Honey.Sciences I.I.Levids.- Leningrad;Moscow: Art, 1939. -251, [3] p.: count., Ill., notes .. -Bibliogr.In the tuning.Note .. - Ex.: with gifts.The inscription to Lev Vladimirovich Shcherbe..I. Shcherba, Lev Vladimirovich.1.People (collection).Electronic copy source: PBOriginal storage: St. Petersburg State University