Mozart's The Marriage of Figaro

The libretto of Le Nozze di Figaro in Italian can be found at http://php.indiana.edu/~lneff/libretti/figaro.htm

Le Nozze di Figaro: Libretto, amazon.co.uk

The Marriage of Figaro (Le Nozze di Figaro): in Full Score, Italian and German Text: (Sheet Music)
Barnes & Noble

Mozart: Marriage of Figaro--Explained, Naxos of America, Audio CD, amazon.com