Library and research

The Legislative Assembly of Ontario provides library and research services to MPPs, their staff, legislative committees, and Legislative Assembly staff. Some information is available to the public. View the Legislative Library’s catalogue, learn how to request ISBNs and ISSNs, and get data to use and share.


The Legislative Library assigns ISBNs (International Standard Book Numbers) and ISSNs (International Standard Serial Numbers) to Ontario government publications on behalf of Library and Archives Canada.

Data resources

The Office of the Legislative Assembly of Ontario is working to make certain data, information, and publications available for anyone to use and share without restriction.

Library catalogue

Access to the library’s online catalogue is provided as a courtesy to assist the public and libraries in identifying and cataloguing Ontario Government publications.

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