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Sr. Helen Sheehan Library | Register/Renew Your Library Barcode

Online Registration/Renewal Form

Please allow 24 hours for your barcode to become active in the system.

You must enter the last six digits of the barcode on the front of your Trinity ID. This number is used as your Library ID, giving you access to the databases and scholarly articles.


Contact the Sister Helen Sheehan Library at 202-884-9350, or by email at



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