His linguistic works include "A Comparative Reconstruction of Proto-Nilo-Saharan" (2002), "Reconstructing Proto-Afroasiatic" (1995), and "The Historical Reconstruction of Southern Cushitic Phonology and Vocabulary" (1980).
He published also "The Historical Reconstruction of Southern Cushitic Phonology and Vocabulary" (1980). His linguistic works include "A Comparative Reconstruction of Proto-Nilo-Saharan" (2002).
His linguistic works include "A Comparative Reconstruction of Proto-Nilo-Saharan" (2002). He published also "The Historical Reconstruction of Southern Cushitic Phonology and Vocabulary" (1980).
His linguistic works include "A Comparative Reconstruction of Proto-Nilo-Saharan" (2002). He published also "The Historical Reconstruction of Southern Cushitic Phonology and Vocabulary" (1980).