Chester North High School District 122. ( Waterloo, Illinois United States)
Monroe/Randolph Regional Office of Education. ( Waterloo, Illinois United States)
Waterloo Community Unit School District 5. ( Waterloo, Illinois United States)
Waterloo Community Unit School District 5. ( Waterloo, Illinois United States) [Polaris]
Waterloo, IL. ( Waterloo, Illinois United States) [Polaris]
indicates that the library participates in a consortium for its automation system.