The ETH-Bibliothek is the main university library for the ETH Zurich. It also serves as the Swiss centre for technical and scientific information. While holding contemporary scientific literature and extensive electronic resources, the ETH-Bibliothek also owns a valuable collection of rare books. In the e-rara.ch project, it is primarily publishing works focusing on subjects such as architecture and urban planning, astronomy and mathematics.

Website: www.ethbib.ethz.ch