The Clara Thomas Archives and Special collections has a small collection of original maps and atlases from the 18th Century until the early 20th Century. To find out more about their print map and atlas collection, please contact them at archives@yorku.ca and (416) 736-5442. Before you contact them, you can search OMNI for the maps in their collections and also browse their digital collection of maps via the John Warkentin Map Collection and the Historical Map Collection located in the York University Digital Library.