The fourth and final volume of Wilhelm Dilthey's correspondence contains correspondence from the last years of his life. During this time, Dilthey once again developed an almost astonishing productivity. During these years he published some of his most important works, such as "The History of Hegel's Youth" or the now famous collection of his most important literary-historical works "The Experience and the Poetry". The volume contains correspondence with friends and colleagues, with the correspondence with Edmund Husserl being of particular philosophical interest.