It was a bit of a rabbit hole because the further reading has further reading (that I'm not going to tackle at this stage) - I don't have access to the books in the further further reading, but it does give links to some of the journal articles. I get the feeling it could go on and on - I'll do the first round of further reading for now and just bookmark the list of the rest for if I want or need to pursue that line of enquiry later.