| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| On the Art of Living Together | 978-1-141-03719-3 (1-141-03719-X) | 2009 |
| St. John: A Poem | 978-1-141-49888-8 (1-141-49888-X) | 2010 |
R. F. · R. F. Horton · R. H. · Robert F. · Robert Forman · Robert H. · Robert Horton