Oltre al titolo del libro «Das billigste Kochbuch» e le altre informazioni bibliografiche, l’inserzione menziona anche che è possibile acquistare questa nuova pubblicazione presso la libreria Schablitz’sche Buchhaltung di Zurigo al

All questions

Each question of month answers one of the more unusual queries the Swiss National Library receives every day, in all fields and all national languages as well as English.

Tips for research

Here is a list of useful research resources based on the most common questions in specific subject areas (genealogy, biography, place names, law, etc.).

Bibliographies

The Swiss National Library maintains two bibliographies: the Swiss Book, which is the Swiss national bibliography; and the Bibliography on Swiss History (BHS), which covers the whole of Swiss history from prehistoric times to the present day.
https://www.nb.admin.ch/content/snl/en/home/research.html