See also:

• Health: Conditions and Diseases: Endocrine Disorders: Thyroid: Treatment: Radioactive Iodine Therapy  (3)
• Science: Chemistry: Elements: Halogens  (2)

• ChemGlobe: Iodine - Electronic, thermal, and steric data along with an isotope table.
• ChemicalElements.com: Iodine - Basic information, atomic structure, and table of isotopes.
• EnvironmentalChemistry.com: Iodine - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Iodine - Basic physical and historical information.
• LANL: Iodine - History, sources, uses, properties, and isotopes.
• Lenntech: Iodine - Physical data, chemical properties, health and environmental effects.
• USGS Minerals Information: Iodine - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
• Visual Elements: Iodine - General and physical information, source, uses, biological role, key isotopes, and ionisation energies.
• Wikipedia: Iodine - Properties of the element, including its history, applications, and characteristics.

• Radiochemistry of Iodine - Full text of the monograph by Jacob Kleinberg (University of California, Los Alamos Scientific Laboratory, Los Alamos, New Mexico and University of Kansas, Lawrence, Kansas). [PDF] (September, 1977)