References list ondiscussionpage

Dieter, the title is:

Heinrich Hertz: Memoirs, Letters Diaries / Heinrich Hertz: Erinnerungen, Briefe, Tagebücher (English and German Edition)

If you click on the ISBN link, it will allow you to click on various book vendors (I used and will take you to the book page on those sites, for example

Administrator417:04, 27 February 2014