This page provides links to information about Z39.50 resources and about the development and maintenance of Z39.50 (existing as well as future versions) and the implementation and use of the Z39.50 protoco
The Z39.50 Target Directory contains all the ANSI/NISO Z39.50 (ISO 23950) and SRU/SRW targets known to us. The tables show the name, address, port, reliability info, search attributes and other data useful for achieving interoperability.