LANL: Vanadium
History, sources, uses, and properties.
http://periodic.lanl.gov/elements/23.html

It's Elemental: Vanadium
The Element Vanadium - Basic Physical and Historical Information
http://education.jlab.org/itselemental/ele023.html

ChemicalElements.com: Vanadium
Basic information, atomic structure, and isotopes.
http://www.chemicalelements.com/elements/v.html

Wikipedia: Vanadium
Properties of the element, including its history, applications, and characteristics.
http://en.wikipedia.org/wiki/Vanadium

ChemGlobe: Vanadium
The chemical element [V] - Vanadium - Datasheet
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/23.html

VMC Inc.
VMC INC online : the new VMC website for United States Customers. VMC is a manufacturer of high quality fish hooks.
http://www.vmchooks.com/

EnvironmentalChemistry.com: Vanadium
Comprehensive information for the element Vanadium – V is provided by this page including scores of properties, element names in many languages, most known nuclides and technical terms are linked to their definitions.
http://environmentalchemistry.com/yogi/periodic/V.html

Lenntech: Vanadium
chemical properties, health and environmental effects of vanadium
http://www.lenntech.com/Periodic-chart-elements/V-en.htm

Visual Elements: Vanadium
General and physical information, source, uses, key isotopes, and ionisation energies.
http://www.chemsoc.org/viselements/pages/vanadium.html

GfE Gesellschaft für Elektrometallurgie mbH und GfE Metalle und Materialien GmbH
GfE Unternehmensprofil
http://www.gfe-online.de/