I notice that you put Paul and Paul & van Weelde under the same heading. Are both Pauls actually the same one? This needs clarifying.
I say this, because both firms have been reported as having built cabs on LV75 chassis. It would be unusual for a company to invest in the design and tooling for two different cabs to compete with each other at the same time (Foden experts- shut up! 
). This is another example of the intriguing complexities of the Dutch motor vehicle industry.