| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Gardener's Companion: A Book of Lists and Lore | 978-0-06-271531-9 (0-06-271531-3) | 1991 |
| The Gardener's Companion: A Book of Lists and Lore | 978-0-06-055145-2 (0-06-055145-3) | 1990 |
R. C. · Robert Chisholm · Robert Coughlan · Robert Cozzolino · Roberta M Coughlin · Roberto Casalena · Roberto Casalini