1. Anthrax as a Biological Weapon, 2002
2. Death Due to Bioterrorism-Related Inhalational Anthrax
3. See Mark Wheelis, “Biological Sabotage in World War I,” in Erhard Geissler and John Ellis van Courtland Moon, eds.Biological and Toxin Weapons: Research, Development and Use from the Middle Ages to 1945( Oxford , UK : Oxford University Press , 1999 ), pp. 35 – 62 .
4. Jeanne Guillemin ,Biological Weapons: From the Invention of State-Sponsored Programs to Contemporary Bioterrorism( New York : Columbia University Press , 2004 ), pp. 24 – 27 .