I just thought you might be interested in this website I've created - www.thedisastersongproject.com - (it's attached to my personal site). It is a collection of pages with notes about and photos and/or illustrations of a number of disasters that had songs written about them. Some of the songs are from historic sheet music, some are originals. I plan on updating the site periodically- adding photos or illustrations, adding to or changing the notes, and maybe even adding pages.
Hope you'll enjoy- please let me know what you think!