In this study, Historiography of Mukrimin Halil Yınanc will be analysed by his works. His Historiography not only will be generally evaluated with personality and character that visible on all his works but also will be tried to be examined specific in The Seljuks with his book which named “Türkiye Tarihi Selçuklular Devri”. In the Introduction, considering the importance of the environment in which the works are produced and the period in which the works are written as much as possible will be evaluated, and will be addressed what is the style and the history conception on the works of Mükrimin Halil Yınanç.