A Secret Life . Paperback, 464 pages. Harper Collins Publishers ISBN 9780060929213 ; ISBN 0060929219 . Meryman, Richard. (July, 1991) "The Wyeth Family: American Visions." National Geographic . Mongan, A.: Andrew Wyeth: Dry Brush And Pencil Drawings , Little Brown & Co (T) 1966. ISBN 0821201700 . Wyeth, A.: Andrew Wyeth: Autobiography