| ChemGlobe: Lead: Electronic, thermal, and steric data along with an isotope table. |
| ChemicalElements.com: Lead: Basic information, atomic structure, and isotopes table. |
| EnvironmentalChemistry.com: Lead: Atomic structure, chemical and physical properties, and table of nuclides. |
| Facts About Lead: Focuses mainly on the element's uses. |
| It's Elemental: Lead: Basic physical and historical information. |
| LANL: Lead: Properties, forms, uses, and handling. |
| Lead: Data tables and historic information. |
| Lenntech: Lead: Physical data, chemical properties, health and environmental effects. |
| USGS Minerals Information: Lead: Statistics and information on the worldwide supply, demand, and flow of the element (PDF format). |
| Visual Elements: Lead: Image, uses, physical information, and key isotopes. |
| WebElements: Lead: Extensive information on history, uses, occurrence, compounds, and properties. |
| Wikipedia: Lead: Properties of the element, including its history, applications, and characteristics. |