Alex, nice shots, especially those of the trees and fine branch structure. That lens is quite decent!
That building in #6 looks beautiful.
Technically speaking: exposure looks OK to me in these Web images. Winter sun in your area cannot be the same as standard Sunny 16 rule, and in any case a bit of overexposure never hurt B&W, even in T-grain films. There is enough detail in the shadows; maybe scanning could be improved, but I'd bet that the negatives are fine.