| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Horen, Lesen Und Schreiben: Cassette | 978-0-7175-0894-5 (0-7175-0894-3) | 1979 |
| Zeitmosaik: Cassette | 978-0-7175-0854-9 (0-7175-0854-4) | 1978 |
G. C. · Geoff Cumming · George Cumming · Georgia Cumming · Gisela Cumming · Glen Cumming · Gordon Cumming · Gordon (editor) Cumming · Graeme Cumming · Graeme S. Cumming · Graham Cumming · Graham-Cumming John · Ian G. Cumming · Jane Gordon-Cumming · John Graham-Cumming · Joseph George Cumming · Roualeyn Gordon-Cumming