|Content description||Chapters 1-20 (Interviews with native speakers of German)|
|Medium||1/8 inch audio cassette|
|Contributor||British Broadcasting Corporation (researcher); Unknown (consultant)|
|Notes||Master cassettes were dubbed from five the publisher’s cassettes, GEC 225101 through 225105, lent to the LLA
by Hildegund Ratcliffe; JJT, rec. eng., Nov. 1986.