| Data | source |
|---|---|
| worked at ESIEE, Paris; taught in the USA; co-editor of the journal 'Recherches et Echanges'; practical assessor for the RSA cert in TEFL; | Holden, Susan, 1979 |
| Walter, Catherine (1979). Discovering consonants. in Holden, Susan. Teacher Training. : Modern English Publications, pp.33-35 |