• CLARIN centres
  • See ​https://centres.clarin.eu/oai_pmh
• ​Hathi Trust
  • ​http://quod.lib.umich.edu/cgi/o/oai/oai
• [www.theeuropeanlibrary.org The European Library]
  • ​http://data.theeuropeanlibrary.org/oaipmh/OaiPmhHandler (restricted access based on client IP)