R. H. · Roland H. · Roland McMillan Harper
Cambridge University Press · Churchill Livingstone
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Human senses in action | 978-0-443-00859-7 (0-443-00859-0) | 1972 |
| Psychological and Psycho-Physical Studies of Craftsmanship in Dairying | 978-0-521-07149-9 (0-521-07149-6) | 1952 |