Point and condensor set 4 , cap 2A, rotor 3, and terminal lead 16. Did you try calling a local parts store there? All of those except for maybe the terminal lead are off the shelf items here, or like an hour wait, max. Had I known, I would have sent the questionable parts with it. I didn't want to see you sit somewhere again, though.
Now, the Mallory I got rid of used the same distributor hold-down clamp 19 as my OEM dizzy. I didn't think about that, but you may try to remember what your Mallory distributor is held to the block with.
I'm not sure what screws they're talking about. The distributor cap clips on. Any other screws would be with a point and condenser set.