Historical sources of various kinds are making it online all the time. I recently came across a digital collection of Chinese newspapers from Canada available at the Multicultural Canada website.
Chinese Canadian Community News 加華僑報 (1970s-80s)
Chinese Express 快報 (1970s-80s)
Chinese Times 大漢公報 (1910s-1990s)
Hung Chung She Po 洪鐘時報 (1950s)
Ottawa Chinese Community Newsletter 加京華報 (1970s-80s)
There is also some issues of a Korean newspaper:
We can read, for example, the report of opening of hostilities in July 1937 on the day after the firing began in the July 8th issue, where the news (中日戰爭爆發) reached page 2. Also of concern that day, was the treatment of Chinese within Japan, which also gets reported on.
Though some years and months are listed, I had trouble finding issues in many of them. It would be nice if they had a list of available issues at the home page for each newspaper. The pages, when opened, are embedded into the site, but are simple JPG files which can be made to open in a new window using contextual menus.
Also, via their collection of links, I noticed there are some interesting materials related to the Chinese in Canada on this site:
Historical Chinese Language Materials in British Columbia: An Electronic Inventory
The site includes access to historical photographs, lists of organizations, and links to other Canadian sites containing historical materials.
Wow, such a lot of sources to cover. Sometimes I get confused whether the lack of sources in my period (Mongol Empire and Yuan) is a blessing or a curse…:-(