R. H. · Ralph H. · Ralph Moore Harper
Cowley Pubns · Proquest/Csa Journal Div
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Sleeping Beauty and Other Essays | 978-0-936384-27-6 (0-936384-27-1) | 1985 |
| The World of the Thriller | 978-0-608-03693-9 (0-608-03693-5) | 1969 |