Dear Andreas,
Henry is a shadowy figure to me amongst guitarists active in Paris at
the time - do you have any information about him?. His Methode must
have been reasonably popular since it's the 3rd edition and up against
a great deal of competition in Paris at the time (1826) - and
Excellent work, Andreas - and François-Pierre. I've played many pieces
in accords nouveaux over the years, and it is helpful to have all the
relevant data on one place. I can only encourage you to complete the
English translation, with many thanks for what you have done so far.
I'