Andy, thank you for the comment, and for the advice. I have read all of your posts on Korth on the internet that I could find, and appreciate your freely sharing of your knowledge.
I have the Korth book, which I ordered from Viet Morgenroth directly. While I don't read German — anymore; spent age 6-10 in Germany as a child — I find Google translate works quite well. I hover my iPad over the book, activate Google Translate, and English pops up. (What an amazing world we live in nowadays!)
(I have annoyed Michael Zeleny, BTW. I think because of pestering him with too many questions... I am grateful, too, for his knowledge of Korths, freely shared.)