From a research standpoint on the issue or players therein, your best bet is to visit 'British Columbia Newspaper Archives'. Google search will take you right there, it's associated with University of British Columbia, and free. Go to the Advanced Search function, and narrow years from 1932-38, then click on the three available Vancouver area newspapers; the Daily Building Record, The Independent, and the Western Call.

You may find a few hundred results for vancouver baseball, but if you narrow it to vancouver telephone baseball, or firemen it would probably help. Good luck, and great cards. As always a very nice collection Dave.