Academy of Natural Sciences: Joseph Leidy
- http://www.ansp.org/museum/leidy/
- Joseph Leidy is known as the Father of American Vertebrate Paleontology and the founder of American Protozoology and Parasitology. He was an expert in natural history and human anatomy during the 19th Century. His biography, a timeline, the varied aspects of his work, and links to related sites.
Dinosaurs of the Deep
- http://www.ssmounttemple.com/
- Information about Charles H. Sternberg's dinosaur collections from the Alberta badlands that sank with the Canadian Pacific Railway steamship Mount Temple when it was scuttled by a German warship. Includes research efforts and possible plans for recovery.