Academy Chicago Publishers · HarperCollins
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Elizabethan House of Commons | 978-0-00-633907-6 (0-00-633907-7) | 1976 |
| Queen Elizabeth I | 978-0-89733-362-7 (0-89733-362-4) | 1992 |
| The age of Catherine de Medici | 978-0-06-131085-0 (0-06-131085-9) | 1962 |