| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Canadian political system: Environment, structure, & process | 978-0-07-082262-7 (0-07-082262-X) | 1976 |
| The Canadian political system: Environment, structure, and process | 978-0-07-548025-9 (0-07-548025-5) | 1981 |
| The Canadian political system: environment, structure and process | 978-0-07-092778-0 (0-07-092778-2) | 1971 |
J. L. · J.V. · J. Van · R.J. · R. L · Richard J. · Richard L. · Richard V. · Richard Van Loon · V. L. · Van Loon