Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group I (Togoland), Language 258: Santrokofi or Balé." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group H (Central Nigeria, Kaduna Basin), Language 254: Gurmana." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 246: Uwet." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 245a: Ibibio Dialects (Kwô)." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 244a: Ôkôyoñ or Ôkônyoñ." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 244: Kôrôp or Ododôp." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 243: Uyañga." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Semi-Bantu Group A (Cameroons-Cross River), Language 229e: Alege." In A comparative study of the Bantu and Semi-Bantu group A. Cameroons-Cross River, languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "A Comparative Study of the Bantu and Semi-Bantu Languages." 2 vols: xi, 819, map; xii, 544. Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group X (South-West Africa), Language 89: Ociherero, ‘Damara’, Incl. Ocicimba (North-East Herero), Ocikaoko (North-West Herero)." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.