I realize this thread is really old and the person who asked the question hasn't posted here in years, but in case anyone else finds this thread while looking for information about this language, here are some resources in English and in French:
Sono di continuo a caccia di parole. Descriverei il processo così: Ogni giorno entro in un bosco con un cestino in mano. Trovo le parole tutt'attorno: sugli alberi, nei cespugli, per terra (in realtà: per la strada, durante la conversazioni, mentre leggo). Ne raccolgo quante più possibile. -Jhumpa Lahiri
Thanks for these resources, Linguaphile! I'd never even heard of this language, to be honest, but I do at least have Kauderwelsch for Mòoré, which is related to Tem. I wanted to try to learn some Mòoré from that book.