Hi! I made a node.js module which helps with OAI-PMH to JSON conversion: https://github.com/peerlibrary/node-xml4js It makes such nice JSON: https://github.com/peerlibrary/node-xml4js/blob/master/tests/arxiv/GetRecord-arXivRaw.json Mitar -- http://mitar.tnode.com/ https://twitter.com/mitar_m