Directions: Paste barcodes (one barcode per line) into the input box below,
and press the button, “Process barcodes” to get the item record
numbers, and the bib record numbers for use in Create Lists.
Sample barcode list here

See Sierra documentation here:
http://techdocs.iii.com/sierrahelp/Default.htm#sgil/sgil_lists_new_review_file.html#import