PBS
Pbs: Pisistratus the Tyrant
This site provides a description of the positive gains made by Athens during the rule of Pisistratus, including the increase in production of olive and the first Panathenaic games.
Andre Dollinger
Reshafim: Fruits and Vegetables
A description of the many fruits and vegetables available to the ancient Egyptians. A chart is provided showing which frits and vegetables were grown in which seasons.
US Department of Agriculture
Choose My Plate: What Are Oils
This website defines "oils" and provides examples. It also names some of the uses for oils as well as sources.