Cassidy Cataloguing is the official cataloger for HeinOnline. Cassidy Cataloguing offers high-quality MARC21 catalog records for HeinOnline’s core subscription package and all HeinOnline a-la-carte libraries. All records will be emailed
The following include supported authentication methods for HeinOnline: 1. Username/password The institution’s account administrator is given a single username/password which can be distributed to all authorized users at his/her discretion.