In April 1997, the Bogoŋ chiefs and elders organised three evening sessions where I recorded all in
https://www.sil.org/resources/archives/63947
https://www.sil.org/resources/archives/63754
https://www.sil.org/resources/archives/64264
https://www.sil.org/resources/archives/64266
https://www.sil.org/resources/archives/64273