Apsidium: Bohrium
   Basic information and atomic structure.
   http://www.apsidium.com/elements/107.htm

Berkeley National Laboratory: Bohrium
   An article about an effort to determine the volatility of this element.
   http://www.lbl.gov/Science-Articles/Archive/element-107-chem.html

ChemGlobe: Bohrium
   Electronic data along with an isotope table and basic facts.
   http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/107.html

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

EnvironmentalChemistry.com: Bohrium
   Atomic structure, chemical and physical properties, and isotopes.
   http://environmentalchemistry.com/yogi/periodic/Bh.html

It's Elemental: Bohrium
   Basic physical and historical information.
   http://education.jlab.org/itselemental/ele107.html

LANL: Bohrium
   Basic information and history.
   http://periodic.lanl.gov/elements/107.html

Lenntech: Bohrium
   Basic chemical properties.
   http://www.lenntech.com/Periodic-chart-elements/Bh-en.htm

Visual Elements: Bohrium
   Image, source, general and physical information, and ionisation energies.
   http://www.chemsoc.org/viselements/pages/bohrium.html