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There’s a great little Osprey type tome on the subject with full uniform plates. If you are interested I can try and dig out my copy and give you the title.
No books to recommend but a number of successful actions against the British in Florida, mostly west Florida and perhaps as far west as New Orleans and maybe up river to St. Louis (?). Perhaps also useful in Caribbean. I have a brigade of four Spanish regiments in my 15 mm AWI collection to be used in conjuction with my French, also in white, just wrong flags. But okay for hypotheticals. May try tracking some of the recommendations here.