Berkeley National Laboratory: Bohrium - An article about an effort to determine the volatility of this element. www.lbl.gov/Science-Articles/Archive/element-107-chem.html
ChemGlobe: Bohrium - Electronic data along with an isotope table. www.vcs.ethz.ch/chemglobe/ptoe/_/107.html
ChemicalElements.com: Bohrium - Basic information, atomic structure, and isotopes. www.chemicalelements.com/elements/bh.html
EnvironmentalChemistry.com: Bohrium - Atomic structure, chemical and physical properties, and isotopes. environmentalchemistry.com/yogi/periodic/Bh.html
It's Elemental: Bohrium - Basic physical and historical information. education.jlab.org/itselemental/ele107.html
LANL: Bohrium - Basic information and history. pearl1.lanl.gov/periodic/elements/107.html
Visual Elements: Bohrium - Image, source, general and physical information, and ionisation energies. www.chemsoc.org/viselements/pages/bohrium.html