Academic Ladder is a USA-based support network for people engaged in scholarly writing, be it a thesis, article or book.*
Here is an article about scholars as creative writers. It was recently posted on the Academic Ladder website, and you can access it for free:- You, a Creative Writer? Four Techniques to Help ANY Academic get Published
*'Whittaker' has tried and liked this network - it's particularly valuable in alleviating the isolation that part-time or lone researchers sometimes experience.