Soil and Water Conservation Engineering by Schwab - Glenn O. Schwab - Delmar D. Fangmeier - William J. Elliot - Stephen R. Workman - Rodney L. Huffman - Glenn O.; Elliott - William J.; Fangmeier - Fangmeier; Fangmeier - William; Elliot - William J.; Workman - Stephen R.; Huffman - Rodney L. - ISBN 9781401897499
Land Conservation Financing by Edward T. McMahon - Mike McQueen - Mike McQueen; Edward T. McMahon - ISBN 9781559634816
Hotspots Revisited: Earth's Biologically Richest and Most Endangered Terrestrial Ecoregions by Michael Hoffman - JOHN - Thomas Brooks - John Pilgrim - Russell A. Mittermeier - Gustavo A. B. Da Fonseca - Patricio Robles Gil - Cristina Goettsch Mittermeier - John Lamoreux - Mittermeier - Russell A.;Mittermeier - Cristina Goettsch;Gil - Patricio Robles;Pilgrim - ISBN 9789686397772