Tellurium

ChemGlobe: Tellurium - Electronic, thermal, and steric data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/52.html

ChemicalElements.com: Tellurium - Basic information, atomic structure, and table of isotopes.
www.chemicalelements.com/elements/te.html

EnvironmentalChemistry.com: Tellurium - Atomic structure, chemical and physical properties, and table of nuclides.
environmentalchemistry.com/yogi/periodic/Te.html

It's Elemental: Tellurium - Basic physical and historical information.
education.jlab.org/itselemental/ele052.html

LANL: Tellurium - Sources, properties, handling, and uses.
periodic.lanl.gov/elements/52.html

Lenntech: Tellurium - Physical data, chemical properties, health and environmental effects.
www.lenntech.com/Periodic-chart-elements/Te-en.htm

Visual Elements: Tellurium - General and physical information, source, uses, key isotopes, and ionisation energies.
www.chemsoc.org/viselements/pages/tellurium.html

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

Radiochemistry of Tellurium - Full text of the monograph by G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] <small>(July, 1961)</small>
lib-www.lanl.gov/cgi-bin/getfile?rc000049.pdf