audit
| Author(s) | Title | Reference | |
|---|---|---|---|
| N. Denholm-Young | Walter of Henley and other Treatises on Estate Management and Accounting, by Dorothea Oschinsky | 42/1, p. 57 | |
| K.B. McFarlane | English Constitutional Documents, 1307-1485, by E. C. Lodge, G. A. Thornton | 5/3, p. 225 |