Hey Jean-Claude, One solution would be an XML Catalog, although I’m unsure if that would work with Xalan – an alternative would be to write the Java equivalent of Kataba - https://github.com/dgcliff/kataba On 12/5/16, 12:46 PM, "Code for Libraries on behalf of Jean-Claude Dauphin" <CODE4LIB_at_LISTS.CLIR.ORG on behalf of jc.dauphin_at_GMAIL.COM> wrote: Jean-ClaudeReceived on Mon Dec 12 2016 - 15:48:11 EST