authentication
| Author(s) | Title | Reference | |
|---|---|---|---|
| F.E. Harmer | Facsimiles of English Royal Writs to A.D. 1100 presented to Vivian Hunter Galbraith, by T. A. M. Bishop, P. Chaplais | 28/1, p. 76 | |
| Austin L. Poole | The Literacy of the Medieval English Kings, by V. H. Galbraith | 5/3, p. 229 |