| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-0-9524847-0-7 | E. Charles Nelson · Alan Probert | Man Who Can Speak of Plants: Dr.Thomas Coulter (1793-1843) of Dundalk in Ireland, Mexico and Alta California |
| 2000 | 978-0-9524847-1-4 | E. Charles Nelson | An Annotated Topographical Checklist of the Flowering Plants, Conifers, Ferns and Fern Allies of the Burren Region |
| 1994 | 978-0-9524847-2-1 | E. Charles Nelson · Alan Probert | A Man Who Can Speak of Plants: Dr Thomas Coulter (1793-1843) of Dundalk in Ireland, Mexico and Alta California |