Berkelium

Britannica Nobel Prizes: Berkelium - Overview and basic data.
www.britannica.com/nobel/micro/64_86.html

ChemGlobe: Berkelium - Electronic and thermal data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/97.html

ChemicalElements.com: Berkelium - Basic information, atomic structure, and isotopes.
www.chemicalelements.com/elements/bk.html

The Columbia Encyclopedia: Berkelium - Overview for the general reader.
www.bartleby.com/65/be/berkeliu.html

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

It's Elemental: Berkelium - Basic physical and historical information.
education.jlab.org/itselemental/ele097.html

LANL: Berkelium - Basic information and history.
periodic.lanl.gov/elements/97.html

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

Visual Elements: Berkelium - General and physical information, and key isotopes.
www.chemsoc.org/viselements/pages/berkelium.html

WebElements: Berkelium - Extensive information on history, compounds, and properties.
www.webelements.com/webelements/elements/text/Bk/key.html