Today, the main source of secondary production derives from copepods.

All three surviving sources probably derived their accounts of this battle from a common tradition, the discrepancies being due to different authors omitting different details.

For example, the Sixteenth Amendment grants the power to "lay and collect taxes on incomes, from whatever source derived".

Ancient sources derived Februarius from februum, a thing used for ritual purification.

One possible source of this name derives from food provisions given to Hungarian soldiers.

Many sources derive it from Hebrew, literally translated as "My God has answered me."

Gorsline's technique and sources derive from certain elements of cubism and realism.

The first written sources derives from 1287-1240.

Its source of amusement derives from the cultural differences between the Americans and the British and the perceived differences in manners.

It is no secret that the sources of our European identity derive directly from the Christian tradition.