The online platform Basler Stadtbuch, the 'City Memory since 1879', is a free public service provided by the Christoph Merian Stiftung. The open content offering consists of several parts: the articles and dossiers of the Stadtbuch, the digitized Stadtbücher since 1879, and the entries of the Basler Chronik. The website was designed in the corporate design of the Christoph Merian Stiftung.