| title | ISBN-13 | year of publication |
|---|---|---|
| Aristotle: On Man In The Universe | 978-0-517-14684-2 | 1995 |
| The Book of the Popes | 978-1-5361-3786-6 | 2018 |
| The book of the popes | 978-1-177-13667-9 | 2010 |
| The Book of the Popes | 978-1-889758-86-2 | 2006 |
| The Book of the Popes I-: | 978-1-112-22242-9 | 2009 |
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