PBS
Pbs Learning Media: Ask a Commodity Analyst: How to Analyze the Markets
A collection of commodities market analysts present their "tricks of the trade" highlighting the data reports they rely on to effectively analyze the markets. A video, essays about the market, commodities, cash marketing, etc. and a...
Other
Trading Charts: Law of Supply and Fundamental Analysis of Commodity Markets
A very thorough yet concise description of the law of demand.
Other
Law of Demand and Fundamental Analysis of Commodity Markets
This site describes the basic fundamentals of the law of demand. Charts and explanations are provided to aid in the process of research and learning.