The source book on this event.

Contains interesting biographical material about the men engaged in the battle.
French And Spanish Intrigues Henry Doniol, "Histoire de la participation de la France de l'etablissement des Etats-Unis d'Amerique," 5 vols.

Paris, 1886-1892.
A complete exposition of the French and Spanish policy towards America.
during the Revolutionary Period.
Manuel Serrano y Sanz, "El brigadier Jaime Wilkinson y sus tratos con Espana para la independencia del Kentucky, anos 1787 a 1797." Madrid, 1915.

A Spanish view of Wilkinson's intrigues with Spain, based on letters and reports in the Spanish Archives.
Thomas Marshall Green, "The Spanish Conspiracy." Cincinnati, 1891.

A good local account, from American sources.