Ɣef tesnamekt n uzgerkud, wali: -J. TRIER (1931) -H. KRONASSER (1952) -W.V. WARTBURG (1946) -S. ULLMAN (1951) et (1957) -L. ROUDET (1921) -G. STERN (1931) -E. COSERIU (1964) -H. PAUL (1880) -A. MEILLET (1905) -M. LEROY (1966) -L. BLOOMFEILD (1933), ixef. 24.