The editing interface that was available by logging in below will not be accessible after June 15, 2025. A new editing interface will be available through the CERL ESTC database later this summer. 

The ESTC relies on the contributions of institutions around the world. A database of contributing libraries is available here:

Contributing Libraries

Web Matching

Institutions can add holdings to existing records through our "web matching" process. See this slide show for more information: