Not Montreal related, but mythos related. The Charles Stross Laundry series is a wonderful reinvention of the mythos, and as such, these short stories deserve a link here. They are both rather old, coming from 2008 and 2009, but I just came across them.
Down on the farm
The second of these being from a series of shorts entitled December belongs to Cthulhu which ran on the TOR publishing website back in 2009..
Edit 22-06-2015 to add Equoid.
The placement of these short stories in terms of the novels can be seen here.