This research, entitled: "(The Linguistic Efforts) by Yusuf bin Hasan bin Abd al-Hadi al-Hanbali, known as (Ibn al-Mibrad -d.909 AH) shed light on a unique figure of scientific personalities in our Islamic and Arab heritage, who was distinguished by his abundance of authorship and the large number of scientific literature which recently printed out in various sciences and arts.Since I have not fou...