| Collection Descriptive Notes | Lessons 9-14; Lessons 16-24 |
| Collection Technical Notes | |
| Contributor | Borchert, Cheng Yang |
This collection has no playable audio.
| Title | Contributor | Medium |
|---|---|---|
| Lessons 16-24 [studio master] | Unknown (researcher); Borchert, Mrs. Cheng Yang (speaker) | 1/4 inch audio tape |
| Lessons 9-14 [storage master] | 1/4 inch audio tape |