It's Elemental: Vanadium - Basic physical and historical information. ChemicalElements.com: Vanadium - Basic information, atomic structure, and isotopes. USGS Minerals Information: Vanadium - Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). EnvironmentalChemistry.com: Vanadium - Atomic structure, chemical and physical properties, and table of nuclides. Lenntech: Vanadium - Physical data, chemical properties, health and environmental effects. Wikipedia: Vanadium - Properties of the element, including its history, applications, and characteristics. Radiochemistry of Vanadium - Full text of the monograph by J. L. Brownlee Jr. (Dept. of Chemistry, University of Michigan, Ann Arbor, Michigan). WebElements: Vanadium - Extensive information on history, uses, occurrence, compounds, and properties of the element.