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Poul Anderson - Wikipedia
Poul Anderson bibliography - Wikipedia
Poul Anderson | Science fiction, Fantasy, Novelist | Britannica
Poul Anderson (Author of Tau Zero) - Goodreads
The Boat of a Million Years - Wikipedia
Books by Poul Anderson (Author of Tau Zero) - Goodreads
Poul Anderson - The Nebula Awards®
Poul Anderson, Science Fiction Novelist, Dies at 74
Obituary: Poul Anderson | Books | The Guardian
Poul Anderson | Museum of Pop Culture