Boards
books about cultural histories of objects/ideas
coal - http://www.amazon.com/Coal-Human-History-Barbara-Freese/dp/0738204005
weeds - http://www.guardian.co.uk/books/2010/oct/10/weeds-richard-mabey-review
north - http://www.amazon.co.uk/Idea-North-Topographics-Peter-Davidson/dp/1861892306
pomegranates - http://books.google.co.uk/books/about/Pomegranates.html?id=2yGXy6jVFbYC&redir_esc=y
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