B- Where's All This Stuff Go?

Yesterday I ordered a bunch of parts (39 part numbers), should be enough to get the car drivable, which is my first goal.  Here's some pictures to give a sense of the "puzzle" challenge.  First is a picture of the driver's side firewall, with a bunch of holes:

There's a lot of holes there to be filled with stuff.  So far, the stuff that goes on this side are the following things:

The wiring harness is the most daunting item, but the voltage regulator, fuse box, and ignition coil all need to be mounted plus the water temp/oil pressure gauge needs it's lines to run through this area.  Hopefully I'll get it right the first time and won't have to redo it too much!