Librarians often champion open access (OA) as a sustainable alternative to the current scholarly communications system, which is widely accepted as being in a state of crisis. However, there has been little insight into how far libraries are making this support tangible by providing access to OA publications in their OPACs and other library pathways. This study conducted a large-scale survey of US library holdings to determine the extent that records of journals from the Directory of Open Access Journals are held by WorldCat-affiliated Academic libraries ...