For the early material, I suggest you try to get hold of George-Denis Zimmermann 'Songs of Irish Rebellion: Political Steet Ballads and Rebel Songs 1780-1900' Allen Figgis Dublin 1967. I can't suggest any book references for the later material because I have the songs on albums, and never bothered to buy songbooks. No doubt, others will be able to suggest some for you. If you make a search of the forum here, you will find quite a number. There have been a couple of threads on this in recent weeks. You will also find the more common ones like 'Sean South', 'James Connolly', 'Avondale' etc by searching the Digital Tradition.

Cheers, Stewie.