- ChemGlobe: Plutonium - Electronic, thermal, and steric data along with an isotope table.
- Chemical Elements.com - Plutonium (Pu) - Information on the chemical properties of plutonium, as well as its electron cloud diagram.
- EnvironmentalChemistry.com: Plutonium - Atomic structure, chemical and physical properties, and table of nuclides.
- It's Elemental: Plutonium - Basic physical and historical information.
- Lenntech: Plutonium - Physical data, chemical properties, health and environmental effects.
- Plutonium Fact Sheet - A fact sheet about plutonium from the Waste Isolation Pilot Plant in Carlsbad, New Mexico.
- The Actinide Research Quarterly: Winter 1997 : On the Disposal of Plutonium - An article that is an interview with a leading scientist on the disposal of plutonium.
- Visual Elements: Plutonium - Image, general and physical information, source, uses, and key isotopes.
Media publications
- Radiochemistry of Plutonium - Full text of the monograph by George H. Coleman (University of California, Lawrence Radiation Laboratory, Livermore, California). (Published 1965-09-01 00:00:00)