| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Geography of Yorkshire | 978-0-435-34055-1 (0-435-34055-7) | 1969 | George Ernest Bell |
| Geography of Yorkshire: Map Bk | 978-0-435-34056-8 (0-435-34056-5) | 1969 | " |
D B · D G · D. Gordon · Donald B. · Donald G. · Donald Gordon · G.B.