A professional who supervises and coordinates activities of library workers engaged in replacing books and other materials on shelves according to library classification system. Responsibilities include:

• Assigns duties to workers.
• Trains and directs workers in performance of shelving tasks.
• Examines materials on shelves to verify accuracy of placement.
• Counts number of materials placed on shelves to record shelving activity.
• Marks designated classification number on material, using pen and ink, to facilitate placement on shelves.
• May sort material, according to author, classification number, subject matter, or title, to arrange material for shelving.