Muttersprache.
Gesellschaft für Deutsche Sprache (Wiesbaden, Germany)
Wiesbaden ; Lüneburg : Gesellschaft für deutsche Sprache,
"Zeitschrift zur Pflege und Erforschung der deutschen Sprache."
MLA international bibliography of books and articles on the modern languages and literatures (Complete edition)
LLBA, language and language behavior abstracts
Vols. for 1958-    called Jahrg. 68-    in continuation of earlier publication (1949-57 numbered only by year)
Supplements accompany some issues.
German language
Muttersprache