| 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 |
| Hamm, Cameron, Ferdinand Assako a Tiati, Jason Diller and Kari Jordan-Diller | A rapid appraisal survey of Western Beboid languages (Menchum Division, Northwest Province) | 2002 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Hamm, Cameron | Beboid language family of Cameroon and Nigeria: location and genetic classification | 2002 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Stalder, Jürg | Sociolinguistic survey among the Xedi - Lamang | 1993 | | Language Assessment, Sociolinguistics |
| Harrison, Annette; Colin Davis, cartographer | Fulfulde language family report | 2003 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| McLean, Greg L | A Recorded Text Survey of the Mfumte Speech Varieties and Rapid Appraisal Survey of Dzodinka | 2015 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Hamm, Cameron | A Sociolinguistic Survey of the Glavda, Cineni, and Vemgo-Mabas Languages of Cameroon and Nigeria | 2024 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
| Decker, Ken, John Muniru, David Onoja, Lewinan Andrew, and Samuel Eju | A Sociolinguistic Profile of Five Upper Cross Language Varieties in Cross River State, Nigeria | 2022 | Journal of Language Survey Reports | Language Assessment, Sociolinguistics |
