1804-1857 1829-1894 1835-1910 1840-1893 1844-1908 19thcentury adolf aleksandrsergeevich anton archaeologists archaeology correspondence dargomyzhski europe germany glinka history historyandcriticism jahn manuscripts michaelis music nikolay otto peterilich politicalaspects rimsky-korsakov rubinstein russia russia(federation) saintpetersburg socialaspects sources tchaikovsky