opportunism
| Author(s) | Title | Reference | |
|---|---|---|---|
| John Scattergood | John Skelton and the Politics of the 1520s, Cambridge Studies in Early Modern British History, by Greg Walker | 59/1, p. 161 | |
| John Scattergood | Lancastrian Kings and Lollard Knights, by K. B. McFarlane | 43/2, p. 210 |