Here are the lecture notes in 2*2 format, a recording of the lecture is below.
Irving Fisher's 1933 article on Debt, Deflation, and Depression is here, Hyman Minsky's big book on financial panics and the theory of debt-deflation is here, you can learn more about him here. Federal Reserve Chairman Ben Bernanke's 1983 paper on debt-deflation is here.
The key insight of the post is that EMU is not just a set of constraints on monetary policy---it is also an opportunity to provide free liquidity, at least on the relatively small scale Ireland would require.
McWilliams tells us, in a lovely turn of phrase:
Monetary union is a two-way street. While we can’t affect our interest rates, we can engineer liquidity.