Tom - there are quite a few sites "out there" that do post chords with lyrics - some sites even tell you what key they are playing the song in - and if using a capo or not.

In fact - I would say (judging by my experience in the last couple years) that chords are much easier to find then is the basic melody. Chords are also much easier in some ways to be posted (formatting can be a problem - but there are ways around that)

As others have said - ASK! Most likely someone will have an answer. or three.