| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Guide to the Books of William Blake for Innocent and Experienced Readers | 978-0-86140-408-7 (0-86140-408-4) | 1998 |
| That Myriad Minded Man: Biography of George William Russell | 978-0-900675-69-0 (0-900675-69-1) | 1976 |