I have, from the Allied side
- Wings On The Cross - A padre with the RAF by P. Hamilton Pollock
- The Scarlet Dawn by Msgr. R M Hickey, Major (I think he was with the North Shore Regt)
On the German side there is
-
Amazon.com: German Military Chaplains In World War Ii (Schiffer Military History Book): Mark Hayden: Books
Interesting story about the US Army chaplain at Nuremburg Prison:
Army Chaplain to German War Criminals at Nuremburg
A thread Carl started at ww2forums.com:
German Army & Navy Chaplains in WWII. - World War II Forums