=African Studies Xll ٣ ٤ ١٩٤٨.
published in Papers nl Linguistics ١٩٣٤ ١٩٥١ by J R Firth Oxford University prees ١٩٥٧ pp ١٤٨ ١٥٥.
- J R Firth «With H J Adam» lmproved Techniques in Palaography Bulletin of the School of Oriental African Studies Xlll ٣ ١٩٥٠.
Alwon Published in «Papers ln Linguisstics By J R Firh pp ١٧٣ ١٧٦.
- Leonard Bloomfild: Language pp ٧٥-٠٧٦.
- Bertil Mallmberg La Phonetique pp ١٠٣ ١٠٧»Que - sais- Je ٦٣٧ Presses Universit taires De France Paris ١٩٥٤.
- Maurice Grammont Traite de Phonetique.
published in Papers nl Linguistics ١٩٣٤ ١٩٥١ by J R Firth Oxford University prees ١٩٥٧ pp ١٤٨ ١٥٥.
- J R Firth «With H J Adam» lmproved Techniques in Palaography Bulletin of the School of Oriental African Studies Xlll ٣ ١٩٥٠.
Alwon Published in «Papers ln Linguisstics By J R Firh pp ١٧٣ ١٧٦.
- Leonard Bloomfild: Language pp ٧٥-٠٧٦.
- Bertil Mallmberg La Phonetique pp ١٠٣ ١٠٧»Que - sais- Je ٦٣٧ Presses Universit taires De France Paris ١٩٥٤.
- Maurice Grammont Traite de Phonetique.
٩٥