This document provides an agenda for the 2nd DL.org Workshop on Digital Library Interoperability that was held on September 9-10, 2010 in Glasgow, Scotland. The workshop aimed to discuss challenges and approaches for making digital libraries more interoperable. The agenda included sessions on digital library interoperability principles and practices, the DL.org approach, and a brainstorming session. Presentations focused on frameworks for digital library interoperability including the gCube and DL.org models. The workshop proceedings were made available virtually.