Research Collections Online (RCO) offers an analysis of the subject strengths of the larger general libraries in Scotland which support learning, teaching and research. Subject strengths are described using the Conspectus scheme. The RCO data is used in the Scottish Collections Network (SCONE) service to identify collections with strengths in a particular subject, prior to selecting collections for item-level searches using the CAIRNS distributed union catalogue.

RCO is supported by the Scottish Confederation of University and Research Libraries (SCURL)