| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Catalogue of Canadian Railway Cancellations and Related Railway Postmarks including Selected Waterway Postmarks | 978-1-897391-54-9 (1-897391-54-4) | 2009 |
D G · D. Gray · R.D. · R. D. Gray · R. Gray · Ross D. · Ross G