Ferguson worked on a variety of systems including Fungi, Pine and Petunia.
Margaret Thatcher | Margaret Atwood | Henry Clay | Alex Ferguson | Margaret | clay | Margaret Mead | Maynard Ferguson | Princess Margaret, Countess of Snowdon | Margaret Weis | The Late Late Show with Craig Ferguson | Princess Margaret | Margaret Cho | Princess Margaret Hospital | Henry Clay Frick | Jars of Clay | Massey Ferguson | Margaret Mitchell | Margaret Bourke-White | Margaret of Anjou | Margaret Court | Margaret Becker | Clay Aiken | Niall Ferguson | Margaret Sullavan | Margaret Hodge | Clay Mathematics Institute | Bob and Margaret | Margaret Murray | London Clay |