Sites

ChemicalElements.com: Fermium (Popularity: )
http://www.chemicalelements.com/elements/fm.html
Basic information, diagram of atomic structure, and facts.

EnvironmentalChemistry.com: Fermium (Popularity: )
http://environmentalchemistry.com/yogi/periodic/Fm.html
Atomic structure, chemical and physical properties, and table of nuclides.

Visual Elements: Fermium (Popularity: )
http://www.chemsoc.org/viselements/pages/fermium.html
Image, discovery, physical information, and ionisation energies.

Lenntech: Fermium (Popularity: )
http://www.lenntech.com/Periodic-chart-elements/Fm-en.htm
Physical data and chemical properties.

It's Elemental: Fermium (Popularity: )
http://education.jlab.org/itselemental/ele100.html
Basic physical and historical information.

WebElements: Fermium (Popularity: )
http://www.webelements.com/webelements/elements/text/Fm/key.html
Extensive information on history, compounds, and properties.