Land Use, Biodiversity, and Ecosystem Integrity: The Challenge of Preserving Earth's Life Support System (Reprint, Ecology Law Review, Vol 27, No. 4)
Order Blank: Ohio Teachers' Reading Circle Books for 1909-1910: In American Fields and Forests (4025)
Park City Witness: A Collection of Essays and Artwork Celebrating Open Space, 2nd Edition
The Changing Garden: Four Centuries of European & American Art (Exhibition Brochure)
The Creation: An Urgent Call to Avert the Coming Environmental Collapse that Awaits Us All.
The Shark's Paintbrush: Biomimicry and How Nature Is Inspiring Innovation