"Research Library Issues" ("RLI") focuses on current and emerging topics that are strategically important to research libraries. The articles explore issues, share information, pose critical questions, and provide examples. This issue includes the following articles: (1) Special Issue on Diversity (Mark A. Puente); (2) Pipelines and Partnerships in Diversity at the National Library of Medicine (Kathel Dunn and Joyce E. B. Backus); (3) Strategically Focusing on Focus Groups to Improve Organizational Climate (Michael Crumpton); and (4) Developing Inclusive Research Libraries for Patrons and Staff of All Abilities (Darlene Nichols and Anna Ercoli Schnitzer). Individual articles contain endnotes.