Bradley, BenjaminPresentation given at the Across Metadata and Special Collections joint forum organized by the USMAI Metadata Subgroup and the Special Collections & Archives Subgroup, Largo, MD, May 7, 2018.This presentation documents the collaborative project between Discovery and Metadata Services, Special Collections and University Archives (SCUA), and Special Collections in Performing Arts (SCPA) to implement a feature to enable users to request special collections materials directly from the University of Maryland University Libraries discovery layer, WorldCat UMD. The presentation introduces vendor products involved in the project like Aeon and WorldCat Discovery as well as the tools used to implement the request feature, OpenURL and Z39.50.en-USDiscoveryOpenURLZ39.50WorldCatSpecial CollectionsAeonPresentation