sectarianism
| Author(s) | Title | Reference | |
|---|---|---|---|
| Thomas M. Parker | The Bogomils: a study in Balkan Neo-Manichæism, by Dmitri Obolensky | 18/, p. 68 | |
| Marjorie E. Reeves | The Birth of Popular Heresy. (Documents of Medieval History I), by R. I. Moore | 46/1, p. 158 |