Hipgnosis, the Album Artists Who Made Pink Floyd's Pig Fly - The New York Times

Hipgnosis, the Album Artists Who Made Pink Floyd's Pig Fly - The New York Times

Battersea power station pig hi-res stock photography and images - Alamy

Why I Thought Pink Floyd Was The Stupidest Band In The World – Every record tells a story

Thames & Hudson USA - Book - Through the Prism: Untold Rock Stories from the Hipgnosis Archive

Hipgnosis: the rock stars of album cover design

Pink Floyd's “Animals”: The Story Behind the Album Cover, by David Deal

Pink Floyd The Wall - Complete

The floating pig that became a sign of protest

Around the world in 10 cult album covers - Fantrippers

Review: Us & Them: The Authorised Story of Hipgnosis by Mark Blake – The Diversity of Classic Rock

We actually set a man on fire': Hipgnosis and the art of the album cover