If you're an american designer, this could interest you:
Dozens of free images vectorized from the Barnhart Brothers & Spindler Type Catalog 25: democrats and republican emblems, statesman typecuts, etc.
Available in .EPS and .AI vector files
Have a look and let me know if you designed something cool with it!
> Download here: http://www.vectorian.net/vintage-election-images.html