The papers of the Panat family include correspondence, legal documents, and financial records dating from the 13th to the 19th century. The documents of trials, testaments, and genealogies concern the Panat family and families to which they were joined by marriage, including the families of de Brunet (later de Brunet de Castelpers), Toulouse-Lautrec, La Rochefoucauld, Saint Chamans, and Pujols.