1.1http://explain.z3950.org/dtd/2.0/xml 142.150.190.37 2200 unicorn University of Toronto Gateway SRW/SRU/Z39.50 Gateway to University of Toronto SIRSI unicorn Z39.50 server title title subject subject creator creator author editor editor publisher publisher description description date date lccn lccn name name isbn isbn issn issn MARCXML Dublin Core MODS v2 MODS v3 0