Big Red Book — Smallpox and its Eradication. (WHO, 1988). WHO's official 1500-page history of the Smallpox Eradication Programme. Full text and individual chapters
Operational principles and procedures — Handbook for smallpox eradication programmes in endemic countries; organization of eradication campaigns; surveillance/containment; assessment; cooperation and coordination; operations and logistics
Orthopoxviruses and other diseases —
Orthopoxviruses (monkeypox and other animal pox viruses); Other diseases (chickenpox, measles, viral hemorrhagic fevers [Ebola, Marburg, Lassa])