
The Decline and Fall of Practically Everybody (1950), Part III: Strange Bedfellows, Charlemagne
The Dinosaur
How to Become Extinct (1941)
The Decline and Fall of Practically Everybody (1950), Part III: Strange Bedfellows, Charlemagne
Source: Mad Cowboy (1998), Ch. 4: From the Farm to the Capital, pp. 80-81
Animal Rights: All That Matters https://books.google.it/books?id=6YA3R0J69E8C&pg=PT0 (Hachette UK, 2013), ch. 1.