ChemGlobe: Francium 
Electronic, thermal, and steric data along with an isotope table.
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/87.html
Francium Spectroscopy 
Research group at the State University of New York at Stony Brook. History, facts, trapping information, and production.
http://fr.physics.sunysb.edu/francium_news/frconten.htm
LANL: Francium 
Basic information and history.
http://periodic.lanl.gov/elements/87.html
Lenntech: Francium 
Physical data and chemical properties.
http://www.lenntech.com/Periodic-chart-elements/Fr-en.htm
Visual Elements: Francium 
Image, general and physical information, and key isotopes.
http://www.chemsoc.org/viselements/pages/francium.html
Wikipedia: Francium 
Properties of the element, including its history and characteristics.
http://en.wikipedia.org/wiki/Francium
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