The needs of researchers in key disciplines are changing rapidly, and this has important implica‐ tions for the library’s role in enhancing research productivity and impact. It is critical that librarians create a road map for supporting 21st century re‐ search needs that draws on published research and librarians’ collective experience. It is important to understand the extent to which there are common threads to 21st century research needs that cut across all subject areas. It is also critical to observe the extent to which emerging trends in research needs are common to the sciences,social sciences, or humanities and the degree to which they are discipline specific