727 part numbers

SO I bought about a dozen old mopars today and a few extra engines and some extra trannys, my questions are how do I tell the original apps for the trannys? They are all 727 BB trannys I am gonna pick from, mabey a SB 727 or 2 Is there a list of part numbers I can print and take with me?

Check this out : http://www.mymopar.com/downloads/transguide.pdf