• Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) - Version 2.0
• Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) Implementation Guidelines
• FAQ - Open Archives Initiative Frequently Asked Questions

• OAI for Beginners - the Open Archives Forum online tutorial -- No longer live at http://www.oaforum.org/tutorial/ but available from the Internet Archive.

There are far too many papers about or relating to OAI to maintain a complete list. Instead we list a few key papers:

• Simeon Warner. 2005. The OAI Data-Provider Registration and Validation Service. [https://arxiv.org/abs/cs/0506010]
• Herbert Van de Sompel, Michael L. Nelson, Carl Lagoze, Simeon Warner. 2004. Resource Harvesting within the OAI-PMH Framework. D-Lib Magazine, December 2004. [http://www.dlib.org/dlib/december04/vandesompel/12vandesompel.html].
• Herbert Van de Sompel and Carl Lagoze. 2002. Notes from the Interoperability Front: A Progress Report on the Open Archives Initiative. 6th European Conference on Research and Advanced Technology for Digital Libraries, September 2002, Rome. [draft at http://www.openarchives.org/documents/ecdl2002-oai.pdf]
• Steven Bird and Gary Simons. 2001. The OLAC Metadata Set and Controlled Vocabularies. Proceedings of the ACL/EACL Workshop on Sharing Tools and Resources for Research and Education, Toulouse, July 2001, Association for Computational Linguistics. [http://arXiv.org/abs/cs/0105030]
• Carl Lagoze and Herbert Van de Sompel. 2001. The Open Archives Initiative: Building a low-barrier interoperability framework . Proceedings of the ACM/IEEE Joint Conference on Digtial Libraries, Roanoke VA, June 24-28, 2001, pp. 54-62. [http://public.lanl.gov/herbertv/papers/Papers/2001/JCDLlagoze.pdf]
• Clifford Lynch. 2001. Metadata Harvesting and the Open Archives Initiative . ARL Monthly Report 217, August 2001, [http://old.arl.org/resources/pubs/br/br217/br217mhp.shtml]
• Hussein Suleman. 2001. Enforcing Interoperability with the Open Archives Initiative Repository Explorer. Proceedings of the ACM/IEEE Joint Conference on Digtial Libraries, Roanoke VA, June 24-28, 2001, pp. 63-64. [draft at http://www.dlib.vt.edu/projects/OAI/reports/jcdl_2001_paper_repository_explorer.pdf]
• Simeon Warner. 2001. Exposing and Harvesting Metadata Using the OAI Metadata Harvesting Protocol: A Tutorial. HEP Libraries Webzine Issue 4 / June 2001. [http://library.cern.ch/HEPLW/4/papers/3/]
• Herbert Van de Sompel and Carl Lagoze. 2000. The Santa Fe Convention of the Open Archives Initiative. D-Lib Magazine volume 6 number 2. [http://www.dlib.org/dlib/february00/vandesompel-oai/02vandesompel-oai.html]
• Herbert Van de Sompel, Thomas Krichel, Michael L. Nelson, Patrick Hochstenbach, Victor M. Lyapunov, Kurt Maly, Mohammad Zubair, Mohamed Kholief, Xiaoming Liu and Heath O'Connell. 2000. The UPS Prototype: An Experimental End-User Service across E-Print Archives. D-Lib Magazine volume 6 number 2. [http://www.dlib.org/dlib/february00/vandesompel-ups/02vandesompel-ups.html]

• Japanese translations of the protocol and guidelines documents were created and archived by the National Institute of Informatics, Japan. (We no longer maintain lists of additional translations.)
• Wayback machine copy of: NSDL Metadata Primer includes an introduction to metadata, an introduction to Dublin Core use, and several useful FAQs
• OAI-PMH version 1.1 to 2.0 Migration Instructions
• Santa Fe Convention
• The Open Archives Initiative: Building a low-barrier interoperability framework (JCDL 2001)
• Open Archives Initiative Meeting History