The sheet music collection at Mississippi State is a fine archive that I haven’t come across before. Something notable about them is that they publish the music as PDFs rather than images embedded in web pages. Although it’s a bit annoying to not be able to browse the pages, it’s really nice to not have to grab and print each page one by one.

Here’s the cover sheet for their scan of the 1899 cakewalk Smokey Mokes: