| Hamm, Cameron | A sociolinguistic survey of the Gvoko and Guduf languages of Cameroon and Nigeria (Rapid appraisal) | 2004 | | Language Assessment, Sociolinguistics |
| Hamm, Cameron | A sociolinguistic survey of the Glavda, Cineni and Vemgo-Mabas languages of Cameroon and Nigeria (Rapid appraisal) | 2004 | | Language Assessment, Sociolinguistics |
| Krüger, Susanne | A sociolinguistic survey of Pinyin and Awing | 2004 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Brye, Edward and Elizabeth Brye | Rapid appraisal sociolinguistic research of Dugwor | 2004 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Anderson, Heidi and Susanne Krüger | A rapid appraisal (RA) survey of Kendem | 2004 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Brye, Edward and Elizabeth Brye | Intelligibility testing survey of Bebe and Kemezung and synthesis of sociolinguistic research of the Eastern Beboid cluster | 2004 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Brye, Edward | Rapid appraisal of Beezen | 2004 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
