41 Historic Rags Collected by "The Boss"
These were selected from: http://scriptorium.lib.duke.edu/sheetmusic/ This site has a huge amount of historic American sheet music. It provides very nice scans of numerous pieces, in 2 qualities (72dpi and 150dpi). These files are representative of a previous time in US history. Some songs would now be considered racist in lyrical content. Nevertheless, they are provided for their musical significance.