I. P. · Ian Penberthy · Ian Penperthy
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Directory of Grant Making Trusts 2018/19 | 978-1-78482-042-8 (1-78482-042-3) | 2017 | |
| The Guide to New Trusts 2019/20 | 978-1-78482-059-6 (1-78482-059-8) | 2019 | Scott Mason |