Lingala basic course
Foreign Services Institute (1963)
A comprehensive course for beginners in spoken and written Lingala.
Originally produced by the Foreign Serice Institute to help US nationals on field work to learn Lingala quickly, this USB holds both the original book and all of the recordings (now in the public domain).
The units are kept short and include basic sentences, useful vocabulary, grammatical notes, exercises and drills.
LIN CBEG 5(USB) Open access