Louis de Rouvroy, duke of SAINT-SIMON (1675-1755). L.A.; 1/3 page in-4 (portrait attached). "M. le G. des Sceaux sent me back yesterday this question. Answer it I pray you by a small memory of two lines. But these additions to the ceremonial are important & we must not miss them". 3 documents are attached, among which 2 acts concerning his father (1670), and a request of 1694 mentioning the memorialist.