People in this group work in libraries, schools, archives, and organizations with library and archive services as well as museums, galleries, and retail organizations.
The unionization rate (61%) is above the average (32%) for all occupations.
Here are the average annual salaries.
2010: $35,173
2005: $29,952
2000: $22,172
1995: $20,479
Entry-level: $29,382