I wanted to enter information I have found about why and how the fathers surname of "Carnes" came to be spelled "Curnes", "Curns" and "Carnes" among his children. This really isn't a "source", but is "source" the only way to add a footnote? Sorry if I missed the explanation of this. I'm new. ~ Ellen
PS - This is both a technical and a style question. I see the suggestion to use the <ref>X</ref> convention to create a footnote, but I don't understand how to create a wholly different serially numbered section or whether to just include them in order in the Souces section.