| title | ISBN-13 | year of publication |
|---|---|---|
| Poverty and the Poor Law: 6 Volume Set: A Palgrave Macmillan Archive Collection | 978-1-4039-1742-3 | 2005 |
| Religious bodies in Australia: A comprehensive guide | 978-0-646-24552-2 | 1995 |
| Supermarine Spitfire: Part 1 Merlin Powered : A Comprehensive Guide for the Modeller | 978-0-9533465-2-3 | 2000 |
| Supermarine Spitfire Part 2: A Comprehensive Guide for the Modeller: Griffon-Powered Pt. 2 | 978-0-9533465-4-7 | 2001 |
Jr. Robert L. Humphreys · R. H. · Robert Arthur Humphreys · Robert E. Humphreys · Robert Edward Humphreys · Robert H.
Palgrave Macmillan · SAM Publications · Various small imprints