Lower Dauphin School District. ( Middletown, Pennsylvania United States)
Middletown Area School District. ( Middletown, Pennsylvania United States)
Middletown, PA. ( Middletown, Pennsylvania United States) [Polaris]
Pennsylvania State University -- Harrisburg -- Capital College. ( Middletown, Pennsylvania United States) [Symphony]
indicates that the library participates in a consortium for its automation system.