Advice before editing this pre-1700 Barbour profile?

Question

I have information to contribute to the profile of John Barbour. This is what I can add:

These are the sources I am using:

Should I contact one of the pre-1700 projects or know about any style guidelines before proceeding? Thank you!

Hi 

I have this info (Should I have not entered it?)

Comments

Yes David, please edit your question and add the information and sources so that they can be assessed, thanks.