This includes:
Novelty, Parlor songs (or Parlour music), American Popular Song (as well as other countries), Newspaper supplements with sheet music, Music of "Tin Pan Alley," etc. The majority of which should be late 1800s through the 1950s.
Preferred: high resolution, clear photos or scans. If they are too blurry or too low quality, the beauty of the covers is lost to the viewer.
