De Reszke, Edouard. (1852–1917) & De Reszke, Jean. (1850–1925) [Klein, Herman. (1856–1934)] Group of Autograph Letters and Original TelegramA group of two autograph letters and an original telegram from the Polish opera singer brothers, a bass and tenor who were among the most illustrious opera stars of the late nineteenth century, to the English singer, pedagogue, and critic Herman Klein. The first letter (August 10, 1891; 3 pp. on a black bordered bifolium) concerns plans for the De Reszke's tour of the United States: Jean de Reszke writes that he is "horribly disappointed" to inform