D. Ziervogel
A grammar of the Swati language (siSwati)
A handbook of the Northern Sotho language
A handbook of the Venda language
A handbook of the Zulu language
Groot Noord-Sotho-woordeboek
A grammar of Northern Transvaal Ndebele
A grammar of Swazi
A grammar of Swazi (siSwati)
A grammar of Swazi (siSwati)
Dinose
Handboek van Noord-Sotho [door] D. Ziervogel, D.P. Lombard [en] P.C. Mokgokong
Handbook of the speech sounds and sound changes of the Bantu languages of South Africa