Kurt von Priesdorff, Soldatisches Führertum (Hamburg 1937-1942), 10 Bände. Picture of Clausewitz, Karl Philipp von. Bd. 5,65, nr.1429.
If anyone has this book and can get a really good scan, that would be useful. Best to place a black sheet behind the page and press hard when scanning, to prevent bleed-through of the text on the opposite side.