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Archival Research Tutorial: Archives in Ontario

Archival materials give you direct access to the time or event you are studying. The goal of this guide is to help you conduct research at the Clara Thomas Archives & Special Collections at York University Libraries.

Archival holdings in Ontario

ARCHEION: Ontario's Archival Information Network
ARCHEION is the online catalogue of descriptions of records located in archives across Ontario.

Search ARCHEION for information on what archives exist and where the archival records are located. Included are descriptions of all types of holdings, including but not limited to documentary heritage, diaries, personal accounts, maps, films, photographs, administrative and genealogical records.

To seek out institutions holding primary source material in Ontario, start with a search on ARCHEION, Ontario's search portal to archival records held in the province.

Archives of Ontario - search database
Online searchable database of archival records held at the Archives of Ontario.

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