1. Casey would dance with the strawberry blonde, AND THE BAND PLAYED ON. (One of my favorite songs)

2. Here's the URL for the Lester Levy collection, where searching for the word 'Irish' brings up 228 songs.

http://levysheetmusic.mse.jhu.edu/catalog?utf8=%E2%9C%93&q=Irish

If that doesn't suffice, search Colleen, shamrock and emerald.

3. Visit your public library for collections. Try the 784's or thereabouts.

4. Buy the Hal Leonard Corp.'s 'Celtic Fakebook'