You've just bought a frame, wheels, and 3 big boxes of bits containing a 'dead original 1959 NorBumph Thumandville', what now...?
A factory parts catalogue will show you pictures of everything that isn't there, and the order in which it should be assembled...
Now you're getting somewhere.
A restoration guide is a great way to learn a lot more about how things should be done.
A workshop manual gets you right down to the nitty gritty of getting things back up and working again.