Assists patrons by locating and checking materials or equipment in and out of library, issuing library or research cards, and providing information and assistance regarding resources. Processes forms and labels for requested items, lost materials, and overdue materials. Researches library records and resources to ascertain availability of materials and provides information to library personnel or requestors by checking computer databases and online catalogs. Processes print and non-print materials by verifying, stamping, or coding material received, preparing labels, indexing information, producing and checking catalog cards, and assigning classification and accession numbers. Reviews invoices and purchase orders to ensure correct billing information, codes invoice with fund categories for payment, and forwards to supervisor for verification. Searches for requested library materials by checking library computer databases and online catalogs Maintains library area by updating card catalog files and computer records, shelving materials, and performing minor maintenance on audio-visual and library related equipment. Compiles statistics regarding processed or loaned library materials and activities and forwards to supervisor. Supervises operations of the Interlibrary Loan unit. Performs other duties as assigned.