Francium

ChemGlobe: Francium - Electronic, thermal, and steric data along with an isotope table.
partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/87.html

ChemicalElements.com: Francium - Basic information, atomic structure, and isotopes table.
www.chemicalelements.com/elements/fr.html

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

Francium - Isotopes, natural occurrence, separation, analytical properties, applications, and bibliography.
www.geocities.com/andyscouse/pages/francium.htm

Francium Spectroscopy - Research group at the State University of New York at Stony Brook. History, facts, trapping information, and production.
fr.physics.sunysb.edu/francium_news/frconten.htm

It's Elemental: Francium - Basic physical and historical information.
education.jlab.org/itselemental/ele087.html

LANL: Francium - Basic information and history.
periodic.lanl.gov/elements/87.html

Lenntech: Francium - Physical data and chemical properties.
www.lenntech.com/Periodic-chart-elements/Fr-en.htm

Visual Elements: Francium - Image, general and physical information, and key isotopes.
www.chemsoc.org/viselements/pages/francium.html

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