https://books.google.es/books?id=-u8NAAAAQAAJ&pg=PA220&lpg=PA220&dq=charles+evanson+cork&source=bl&ots=s7LEgWblJs&sig=Yi50XnarB1o_EmC78v5JK0d9wwY&hl=en&sa=X&ved=0ahUKEwj4lKnMwuXKAhWLFx4KHeX7Cq4Q6AEIMDAG#v=onepage&q=charles%20evanson%20cork&f=false