Natural Histories A Philosophy of Falcons Frederick II, Holy Roman Emperor, was obsessed with falconry. This led him to write a truly revolutionary book on the subject. Alexander Lee | Published in History Today Volume 71 Issue 10 October 2021 To continue reading this article you need to purchase a subscription, available from only £5. Start my trial subscription now If you have already purchased access, or are a print & archive subscriber, please ensure you are logged in. Please email digital@historytoday.com if you have any problems. Natural HistoryLiterature Related Articles Isle of Dogs The Hunting Year Popular articles Why Do Religions Decline? The Pilgrim as a Historian