I am really keen to hear about research and authoritative material that this community know about starting and sustaining real-life, face-to-face, old school community groups? It would be nice to know what practices and strategies have been shown to work or have been detrimental to community groups. I realise that there may not be much research out there so happy with community reports or association reports or blogs, opinion etc.
I struggled to find any discussion around live community groups with traditional meetings, etc, but I found discussion about online community groups here - What are best practices for creating engaging experience in a forum-based community?
Authoritative reference works on best practices in online community building