If you want to get an entertaining insight into the 'Swiss' psyche and etiquette, I'd recommend Diccon Bewes Swiss Watching http://www.dicconbewes.com/about-the-books/swisswatching/ . The Wikipedia entry gives a good starting point for Switzerland during the war: http://en.wikipedia.org/wiki/Switzerland_during_the_World_Wars As for cuckoo clocks, they are a German invention.