Phosphorus
- A discussion of phosphorus with functions, deficiency signs, food sources, supplements, and recommendations from the Linus Pauling Institute.
- http://lpi.oregonstate.edu/infocenter/minerals/phosphorus/

Phosphorus Dietary Mineral
- Facts about the mineral such as functions, RDA suggested intake, and food sources.
- http://www.anyvitamins.com/phosphorus-info.htm