I find it funny that photographers using these old processes and methods seem to underline the various defects in the images, as if being extra sloppy just to get that ragged edge or chemical blotch while the working photographers of the process's heyday probably worked hard to minimize these same defects.
Not really 1900's technique, but a series that I think well balances subject and old-time look can be viewed here:
Mark Hooper - Lewis & Clark