The Newberry Library
Newberry Library: Workers and Reformers in Turn of the Century Chicago
Learning with primary resources examines the plight of workers during the late 18th and early 19th centuries and compares the perspective of sociologists to that of writers like Upton Sinclair.
US Department of Labor
Bureau of Labor Statistics: Social Workers
Describes a day in the life of a social worker. Include info on education requirements and expected earnings.