Z39.50 - Library Catalogue

Z39.50 provides real-time library catalogue access. It is an international standard client-server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network. The data is stored in the Toronto Public Library's Integrated Library System (ILS). Z39.50 connection details: * host: symphony.tpl.ca * port: 2200 * database name: unicorn * search map name: CATALOG * unicode server: yes Note: We are unable to publish the schematic of the library catalogue. If you elect to use Z39.50, please search the internet for available resources to learn more about accessing and parsing library catalogue data using this protocol. Information about the MARC 21 format for bibliographic data can be found at [https://www.loc.gov/marc/bibliographic/] (https://www.loc.gov/marc/bibliographic/)

Publisher

City of Toronto

Resources

1

Catalogue metadata updated

2026-05-19