| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Religious System of the Amazulu | 978-1-7O88-7569-5 (1-7O88-7569-7) | 2019 |
Edgar H. Callaway · Edgar H. Callaway Jr. · H. C. · Helen Callaway · Henry Callaway · Jr., Edgar H. Callaway · Vanessa F. Hicks-Callaway