Incoming Resources
- Elements, [author: Brian Knapp], Vol.15 Uranium
- Elements, [author: Brian Knapp], Vol.3 Calcium
- Elements, [author: Brian Knapp], Vol.11 Nitrogen and phosphorus
- Elements, [author: Brian Knapp], v. 1 Hydrogen
- Elements, [author: Brian Knapp], Vol.4 Iron
- Elements, [author: Brian Knapp], Vol.12 Oxygen
- The periodic table, a visual guide to the elements, Paul Parsons & Gail Dixon
- Elements, [author: Brian Knapp], Vol.2 Sodium
- Elements, [author: Brian Knapp], Vol.8 Carbon
- The properties of elements and compounds, Lisa Hill
- The Elements, Matt Mullins
- Elements, [author: Brian Knapp], Vol.14 Chlorine
- Elements, [author: Brian Knapp], Vol.5 Copper
- Elements, [author: Brian Knapp], Vol.13 Sulfur
- The periodic table, by Salvatore Tocci
- Elements, [author: Brian Knapp], V. 9 Silicon
- Elements, [author: Brian Knapp], Vol.10 Lead and tin
- Elements, [author: Brian Knapp], Vol.6 Zinc
- Elements, [author: Brian Knapp], V. 7