Revenue from the sales contributes directly to a farm's income.

Anna contributed to her family's income by establishing a girls' school at their home, Kingston Hall.

He also contributed further to the family's income by playing viola in the court orchestra.

Young people will be dying at a time when they are usually contributing to a family's income.

The Fraziers today contribute roughly equal amounts to the family's income.

Of course that will change as soon as you start contributing significantly to the group's income.

Traded forest products are estimated to contribute 56% to their annual income per head.

Already working full time, women had no more extra hours of work effort to contribute to the family's income.

When William March was only ten years old he began working selling newspapers to contribute to his family's income.

Woodruff contributed to his family's income, initially as a newspaper delivery boy before and after school.