Hadrosaurus, the First Identified Duck-Billed Dinosaur | Prehistoric animals, Animals, Animal drawings
Hadrosaurus Dinosaur by Masato Hattori/science Photo Library
Hadrosaurus - Wikipedia
The Last Day of a Doomed Dinosaur | Science| Smithsonian Magazine
Hadrosaurus Pictures & Facts - The Dinosaur Database
Meet the "caribou of the Cretaceous": How ancient hadrosaurs spread across Earth | Salon.com
North American Dinosaurs: Hadrosaurus―Children's Book About Discovering Hadrosaurus Dinosaurs, Grades 3-6 (32 pgs): Suen, Anastasia: 9781731612441: Amazon.com: Books
Hadrosaurus foulkii by Vespisaurus on DeviantArt
Hadrosaurus, the First Identified Duck-Billed Dinosaur
Hadrosaurus.com -- Official Haddonfield Dinosaur Web Site