RR Auction: Fine Autographs and Artifacts featuring Science and Technology

German Marxist philosopher (1885–1977). Untranslated ALS in German, one page both sides, 6 x 3.75, October 15, 1962. In fine condition, with two file

German composer, music critic, poet, and translator (1824–1874). AMS in German on the reverse of a 2.5 x 4 carte-de-visite portrait of himself, June

German composer (1812–1883) chiefly remembered for his opera Martha, which was popular in the 19th century. Intricate AMQS, signed "Fr. von Flo...

Italian opera composer (1867–1948) in the verismo, or 'realist,' style, known for his opera Andrea Chénier. Untranslated ALS in Italian...

Austrian composer (1794–1868) who was friends with both Beethoven and Schubert. Handwritten musical manuscript, six musically-lined pages, 13 x 10, ti

Austrian conductor (1908–1989) who is generally regarded as one of the greatest conductors of the 20th century; he served as principal conductor of th

Hungarian composer, educator, ethnomusicologist, linguist, author, and philosopher (1882–1967). Glossy 3.25 x 5.25 photo of Kodaly focused on his shee

Italian-American composer (1911–2007) best known for such popular operas as The Consul, The Saint of Bleecker Street, and Amahl and the Night Visitors

Bohemian composer and piano virtuoso (1794-1870), whose career after his early years was based initially in London, and later at Leipzig, where he suc

ALS in German in pencil, one page, 5.5 x 4.25, December 9, 1910. Untranslated letter to Hermann Kutzschbach, conductor of the Dresdener Hofkapelle, re