In order to access the resources of the BPL you must have a library card. You can obtain a library card by vistiting any branch of the BPL, be sure to bring your student ID or Massachusettes driver's license. OR, obtain an e-card online.
"A Boston Public Library eCard is a virtual library card that allows you to instantly use all of our online resources. eCard users who wish to check out library materials or reserve museum passes must first upgrade to a standard BPL card."