This revised version of the first volume of the author's 1992 Yale University dissertation argues that the key to the problem of plural allomorphy in southern Semitic is to be found in Semitic itself, not through evidence taken from non-Semitic Afroasiatic languages.

Methodological preliminaries
morphological analysis of Arabic
the Arabic noun plural system
survey of previous scholarship
the comparative Semitic evidence
subclassification and reconstruction.