Unfinished version. - M unchen : Lincom Europa,z\v1995.
Software/Multimedia — 1 computer disk ; 3 1/2 in.
Looks at the relationship between three major language groups of the "First Nations". The result of his studies consists in more than 386 cognate sets uniting Penutian (as well as Mesoamerican and South American language groups closely related with Penutian, such as Mayan and Quechuan), on the one hand, and Wakashan and Salishan on the other.