This should REALLY help:
http://socrates58.blogspot.com/2006/11/apocrypha-why-its-part-of-bible.html
Also, you might want to buy: http://www.grottopress.org/
Interesting read, though I did find it difficult to figure out just why Martin Luther contended that the Apocrypha were “sub-sciptural.” I would wonder why he would think such a thing.