The CUNY classic catalog (CUNY+) will disappear after July 2020. Fortunately, OneSearch can provide access to even more resources than the classic catalog could.
For more information on the replacement of the Classic Catalog with OneSearch, please consult this guide.
CUNY Login Replacing Barcodes for Remote Access The Library has transitioned from the use of the barcode to the CUNY Login for off-campus access to databases. (It's the same login used for Blackboard and CUNYfirst.)