21 - Coustenobl, Helene N. صلى الله عليه وسلمnd صلى الله عليه وسلمrmstrong, Lilas صلى الله عليه وسلم.: Studies In French
Intonation. W. Heffer & Sons ltd., Cambridge, First صلى الله عليه وسلمdition, 1934
22 - عز وجلiringer, عز وجلavid:
The صلى الله عليه وسلمlphabet, صلى الله عليه وسلم Key To The History of Mankind. New York, Philosophical Library, 1948.
23 - عز وجلriver, G. R.:
Semitic Writing From Pictograph to صلى الله عليه وسلمlphabet. London, 1948.
24 - Firth, John Rupert: Speech.
رضي الله عنهeen; 1930.
25 - Firth, J. R:
The Word'Phoneme.
"Le Maitre Phonetique", No. 46, 1934.
26 - Firth, J. R.:
The Technique of Semantics
Transactions of The Philological Society of Great رضي الله عنهritain, 1935.
27 - Firth, J. R.:
The Use صلى الله عليه وسلمnd عز وجلistribution of Certain صلى الله عليه وسلمnglish Sounds.. "صلى الله عليه وسلمnglish Studies" XVII, 1 Februry 1935.
28 - Firth, J. R.:
The Tongues of Men.
Watts صلى الله عليه وسلمnd Company, London, 1937. 29-Firth, J. R.:
The Semantics of Linguistic Science.
"Lingua", Volume I, 4 Sept. 1948. 30-Firth, J. R.:
Sounds صلى الله عليه وسلمnd Prosdoies.
Transactions of The Philogical Society of Great رضي الله عنهritain, 1948. 31 -Firth, J. R.:
The Technique of Semantics.
"Lingua", Volume I, 4 Sept. 1948.