1911 Encyclopædia Britannica, Volume 28… (1911)
“ He studied at the universities of Berlin and Göttingen, worked at the Monumenta Germaniae historica, and in 1869 became professor of history at the university of Bern, and four years later at Heidelberg. He also spent some time in Russia, teaching at Reval and at the university of Dorpat. He died at Heidelberg on the 10th of February 1896. ”
