Continuing with internal records: Contaduria deals with financial records for the empire; Correos with imperial mail service, Escribana with petitions and internal investigations; Estado with imperial administration after the Bourbon reforms; Ultramar with late 19th century administration of Cuba, Puerto Rico, and the Philippines; and Tribunal de Cuentas with finances in roughly the same period. Ttulos de Castilla contains papers dealing with the Spanish nobility, and Diversos with the personal archives of specific families or important persons.