These are the four chips I want to start searching for:

I checked the illegal site on marlowchips. None of them are there. One is a hub mold which is mason, but how do I search those records? I know they're owned by gaming archeaology, but does he have a searchable site?

Two of the others are diamond square or diamond rectangle, How do I narrow it down to a manufacturer? And if the manufacturer doesn't have them listed, what's the logical next step?

lastly, what's a cris cross directory.

thanks