اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Vols. for 1905-1906 called also Neue Reihe Jahrg. 1-2; vols. for 1911-1922 called also Jahrg. 14-23
Heft 24 never published
Supplements accompany some issues
Mode of access: Internet