[Berg, Alban. (1885 - 1935)] Wedekind, Frank. (1864 - 1918) Signed LetterDictated letter signed at the conclusion by the influential German playwright whose work, which often criticizes bourgeois attitudes (particularly towards sex), is considered to anticipate expressionism. His plays Erdgeist (Earth Spirit, 1895) and Die Bchse der Pandora (Pandora's Box, 1904) were adapted by Berg to form the libretto of his "Lulu." 1 page. Munich, January 12, 1917. In full: "Dear Mr. Muehsam, I thank you very much for your complementary