Callaway H. The Religious System of the Amazulu, Izinyanga Zokubula: Divination, as Existing Among the Amazulu, in Their Own Words

Springvale, Natal: J. A. Blair, 1870. — 448 pp.The book is written in a question-answer format, in which Callaway questions various Zulu about topics which interested him. Generally, only the answers are given. The original publication of the book contains both the original Zulu conversations, with the English translations printed alongside.
The book is divided into four parts:
- Unkulunkulu, which concerns the creator Unkulunkulu and the Zulu story of creation;
- Amatonga, which concerns the Zulu traditions of ancestor worship;
- Izinyanga Zokubula, which concerns the traditions of diviners among the Zulu;
- and Abatakato, which concerns the Zulu customs of medical magic and witchcraft.