Johnston, Harry Hamilton. 1919/22. "Bantu Group MM (Central Ogowe), Language 187: Okande-Ishogo (Pinji, Ivea, Shibe and Other Lower Ogowe Dialects), Incl. Micogo, Bafubi or Bopovi, Aduañgi." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group MM (Central Ogowe), Language 185: Kota or Eastern Bakota (Cake, Lishake), Koelle’s ‘Undaza’, Avelot’s ‘Ndassa’." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group MM (Central Ogowe), Language 183: Western Kota (Bakota, Okota, Etc.), Moshebo, Oshebo, Yalimboñgo." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group M (North-West Nyasa), Language 49: Ishinyixa (Ishiwanda, Ishiwiwa)." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group L (Tañganyika-Bañgweulu), Language 45: Fipa and Kipimbwe." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group L (Tañganyika-Bañgweulu), Language 40: Guha." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group KK (North-Central Coñgoland), Language 165: Sañga Dialects of Lower Sañga, Incl. Babiñga (Yadiñga), Bambû, Basinde, Basañga, Bamponde (Banpondo, Bampondo), Boñga, Mboshi, Bantomi." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group II (Ababua or Wele-Aruwimi), Language 151b: Bañgbinda." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group G (Usagara-Ugogo), Language 24f: Ndunda (Southern Sagara)." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.

Johnston, Harry Hamilton. 1919/22. "Bantu Group G (Usagara-Ugogo), Language 23a: Kami." In A comparative study of the Bantu and semi-Bantu languages, Clarendon Press.