| Beryllium: Data tables and historic information. |
| ChemGlobe: Beryllium: Electronic, thermal, and steric data along with basic information. |
| ChemicalElements.com: Beryllium: Basic information, atomic structure, and table of isotopes. |
| EnvironmentalChemistry.com: Beryllium: Atomic structure, chemical and physical properties, and table of nuclides. |
| It's Elemental: Beryllium: Basic physical and historical information. |
| LANL: Beryllium: Sources, properties, uses, and handling. |
| Lenntech: Beryllium: Physical data, chemical properties, health and environmental effects. |
| Peter Clerkin's - Beryllium: Some information about the element. |
| Radiochemistry of Beryllium: Full text of the monograph by A. W. Fairhall (Dept. of Chemistry, University of Washington, Seattle, Washington). [PDF] |
| USGS Minerals Information: Beryllium: Statistics and information on the worldwide supply, demand, and flow of beryllium. |
| Visual Elements: Beryllium: Image, discovery, uses, physical information, and key isotopes. |
| WebElements: Beryllium: Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| Wikipedia: Beryllium: Properties of the element, including its history, applications, and charateristics. |
Classical
