http://books.google.com/books?id=eAYuAAAAYAAJ&pg=PA371&lpg=PA371&dq=asa+s.+morgan+camden&source=bl&ots=pLJqUPzNlL&sig=EK3GegLYOAe6dGTBg1v5Wwf2zJg&hl=en&ei=yFymSvH7Io3hnAfclOH6BA&sa=X&oi=book_result&ct=result&resnum=7#v=onepage&q=&f=false