哥德語
In 1891 he became an editor of Paul and Braune's "Beiträge zur Geschichte der deutschen Sprache und Literatur" ("Contributions to the history of the German language and its literature"), and contributed sections on runes, Gothic language and literature, and Germanic metre to Paul's "Grundriss der germanischen Philologie" ("Outline of Germanic philology," Strassburg, 1891 et seq.).