I thought this might be of interest to some, even though it’s not necessarily Type-centric (though there are definitely some interesting posters in the collection with hand-made typefaces).

I recently came across the WPA poster library at the libary of congress:

http://www.msnbc.msn.com/id/21111931/

This is the poster that caught my eye:

Anyways, I put a bit of a write up here:

http://brokesnob.wordpress.com/2007/09/21/diy-wpa-art-prints/

and included a PDF of a version of said poster that I re-traced as vector art for those that’d like it for your bathroom too. ;o)