Letter of the Prophet Muhammed (Pbuh) to the King of Egypt Misr Sultan Maqooqas inviting him to Islam.
Letter of the Prophet Muhammed (Pbuh) to the the King Nejashi inviting him to Islam.
Letter of the Prophet Muhammed (Pbuh) to the King of Persia Farskasra inviting him to Islam.
Letter of the Prophet Muhammed (Pbuh) to the King of Behrain Al Manzarbin Sawi inviting him to Islam.