Co-Housing

it saterted in Europe, post 68, after the failure of the hippie movement to live all in the same house without privacy. The idea was to have a mix between the power of the community, but the privacy of the individual/family house. It was theorized by 2 american architects. Chuck Durrett is the leading authority in the US

http://www.cohousingco.com/cohousing-books/

His wife also created this company: http://cohousing-solutions.com/