Exploring Stone Walls: A Field Guide to New England's Stone Walls by Robert Thorson English | February 1, 2005 | ISBN: 0802777082 | EPUB | 208 pages | 17 MB
Stone by Stone: The Magnificent History in New England's Stone Walls by Robert Thorson English | August 12, 2002 | ISBN: 0802713947, 0802776876 | EPUB | 224 pages | 4.1 MB