Chris J. Magoc, So Glorious a Landscape : Nature and the Environment in American History and Culture (American Visions (Wilmington, Del.), No. 5.) (Paperback). SR Books (October 28, 2001). ISBN: 0842026967
John C. Hudson, Across This Land: A Regional Geography of the United States and Canada (Creating the North American Landscape) (Paperback). The Johns Hopkins University Press (March 1, 2002). ISBN: 0801865670
Jane Jacobs, Cities and the Wealth of Nations (Vintage) (Paperback) Vintage; Reprint edition (March 12, 1985). ISBN: 0394729110