Handwritten letter on parchment to the Emperor's son, Philip II. The item is an instruction to Philip that he can trust Ferdinand I but not the "Bishop of Madrid." Charles warns Philip of the "seditions" in France and orders him to keep the borders of Spain protected. The letter concludes with words of farewell and blessing adjacent to the Emperor's symbol.

Handwritten letter on parchment to Charles' son Philip II of Spain. The item is a personal correspondence expressing Charles' concern, love, and pride for his son. Also mentioned in the letter are greetings from a personal friend of Philip II named Leonardus.

Handwritten and signed letter dated March 9, 1521. Charles writes to the Duke of Arcos concerning his efforts to pacify the trouble in Seville, Spain.

Handwritten letter addressed to Nicholas de Artieta dated 15 Feb. 1520. Charles had chosen Artieta's ship to transport Charles to Germany. Charles requires proper artillery proteciton without depriving the northern provinces, particularly Viscaya, of weapons.