Yeah this topic is pretty shit. I can't offer any "notes" (I haven't acutally worked on the poems myself, as of yet) but I know that he is ver postcolonial, and is focused on the devastation caused to Ireland by British rule (which is/was (relating it back to the syllabus) imperialistic and colonial (check context in regards to this for each poem in particular). I think his prescribed method allowing Irish culture (the "local", in this case) to survive global rule (I think epitomised by the occupying British) is to retreat from it (which, I think, would involve rejecting most of it or counter attacking against it). Bear in mind global tactics and strategies (in many ways quite ironically) are needed to combat the global's infringements on local culture.
Wish I could say more, but I really haven't studied them yet