1.   Mary found it necessary to supplement her earnings by writing articles for magazines.

2.   Our women spun fine yarns in their own cottages, and supplemented the earnings of their husbands....

3.   Not Fred Tickel, whose meager farm earnings were supplemented by a profitable bootlegging business.

4.   Typically, taxidermists either supplement their earnings by renting mounted animals to the movie and television studios or moonlight in other business.

5.   He began his selling a wide variety of merchandise during off-hours and liberty days in the military in order to supplement his earnings.

6.   The Ministry of Defense said that it was trying to help reservists who could face problems, including extra pay to supplement lost earnings from civilian jobs.