Jean Xavier Bureaux de Pusy (1750-1806) was a military engineer and politician, including serving in the Estates General of 1789. This collection consists of six letters from Bureaux de Pusy to Marie Charles Cesar Fay, Comte de Latour-Maubourg (1756-1831), who had been interned with La Fayette (1757-1834). The letters contain references to La Fayette and his wife, Napoleon Bonaparte, and Pierre Samuel du Pont de Nemours (1739-1817).