Group mailing lists and information sharing - groups.yahoo.com - groups.google.com
Creating a newsletter advertising.about.com/cs/newsletters/ht/create_newslett.htm onlinebusiness.about.com/od/emailmarketing/a/htmlnewsletter.htm
Starting a babysitting coop nncc.org/Choose.Quality.Care/qual.sitter.coop.html www.parentadvisor.net/coop.htm
How to Organize a Babysitting Cooperative and Get Some Free Time Away from the Kids, Carole Terwilliger Meyers, Carousel Press, 1976.
