A man speaking American English and a native male speaker voice Lessons 1-10 apparently from the preliminary text (1962) filed in the DMA (q.v.).
Collection Technical Notes:
Tapes are apparently dubs made c. 1963 at the Language Lab from copies sent from California. The text filed in the DMA (q.v.) was apparently sent with the tapes. It has been digitized. (Unreviewed) WAVE files are now converted to MP3s.