With the newest version of DEVONthink to an entry in Bookends. Simply drag an ID number of a reference into a rich text document. This creates a special URL that opens the corresponding Bookends reference when clicked. In addition, you can drag the ID into DEVONthink’s groups and documents list which the creates a link document for the reference. DEVONthink Pro Office 1.3.1, DEVONthink Pro 1.3.1, and DEVONthink Personal 1.9.9 add special support for this and name the link document automatically.