* [http://books.google.co.uk/books?id=Z8ladVA418AC&pg=PA144&lpg=PA144&dq=william+of+alnwick+sentences&source=web&ots=Lt_7GiLNcX&sig=t0LAmH8jENvfYIIPW3YXi7GB-Eo&hl=en&sa=X&oi=book_result&resnum=5&ct=result useful] | * [http://books.google.co.uk/books?id=Z8ladVA418AC&pg=PA144&lpg=PA144&dq=william+of+alnwick+sentences&source=web&ots=Lt_7GiLNcX&sig=t0LAmH8jENvfYIIPW3YXi7GB-Eo&hl=en&sa=X&oi=book_result&resnum=5&ct=result useful] |