About OAI and the protocol for metadata harvesting

• www.openarchives.org (external link)

About this implementation

• Available and Useful: OAI at the Library of Congress, 2003

Selected services that harvest our records

• OAIster at OCLC (external link)
• Sheet Music Consortium hosted by the University of California at Los Angeles (external link)

About the metadata formats available

• MARCXML (metadata Prefix = "marc21")
• MODS (metadata Prefix = "mods")