The outstanding composer of the XIX century Richard Wagner is also known for his works on aesthetics. The collection includes the most significant works of R. Wagner ("Art and Revolution," "Opera and Drama," "Work of Art of the Future" and others), which make it possible to understand not only the aesthetic views of the composer and his taste preferences, but also Wagner's social position. The collection also includes articles of the early and late period of the theoretical work of R. Wagner, by which his ideological evolution can be traced.