Guide through Germany, Austria-Hungary, Switzerland, Italy, France, Belgium, Holland, the United Kingdom, Spain, Portugal &c. Souvenir of the Hamburg-American Line. (4. ed.).: (1903) | Antiquariat Reinhold Pabel
Ketterer Kunst, Kunstauktionen, Buchauktionen München, Hamburg & Berlin
Switzerland Yearbook - 1920
Photobibliothek.ch - Schweizer Photobücher 1919-1938