Thanks, I read through a few pages and found it a more interesting read than the original link.

E.g. here he's complaining to the undersecretary of state:

https://archive.org/details/dispatchesoffiel10welluoft/page/...

Here (and a few lines on the page before) is a long letter with his advice on how to reconstitute the (allied) government of Spain:

https://archive.org/details/dispatchesoffiel10welluoft/page/...