1.
 |  | Title: Harlow and Harrar's Textbook of Dendrology by James W Hardin, Donald J. Leopold, Fred M White ISBN: 0073661716 Publisher: McGraw-Hill Science/Engineering/Math Pub. Date: 08 June, 2000 List Price: $85.60 Amazon.com Price: $85.60 |
2.
 |  | Title: Landowner's Guide to State-Protected Plants of Forest in New York State by Dudley J. Raynal, Donald J. Leopold ISBN: 096706810X Publisher: Syracuse University Press Pub. Date: 01 September, 1999 List Price: $19.95 Amazon.com Price: $19.95 |
3.
 |  | Title: The Landowner's Guide to State-Protected Plants of Forests in New York State by Dudley J. Raynal, Donald J. Leopold ISBN: 0815681305 Publisher: Syracuse University Press Pub. Date: August, 1999 List Price: $19.95 Amazon.com Price: $19.95 |
4.
 |  | Title: Watershed Restoration Management: Physical, Chemical, & Biological Considerations : New York City Water Supply Studies (Proceedings Series (American Water Resources Association)) by Jeffrey J. McDonnell, James B. Stribling, Robert Neville, Donald J. Leopold, American Water Resources Association ISBN: 1882132386 Publisher: American Water Resources Association Pub. Date: 01 July, 1996 List Price: $25.00 Amazon.com Price: $25.00 |
5.
 |  | Title: Ecosystem Management: Rare Species and Significant Habitats (Bulletin (New York State Museum : 1976), No. 471.) by Natural Areas Conference 1988 State University of New York College Of, Richard S. Mitchell, Charles J. Sheviak, Donald Joseph Leopold ISBN: 1555571921 Publisher: New York State Museum Shop Pub. Date: 01 June, 1990 List Price: $24.95 Amazon.com Price: $24.95 |
6.
 |  | Title: New York City Water Supply Studies - Watershed Restoration, Management: American Water Resources Association, Symposium Proceedings by American Water Resources Association, Donald J. Leopold, Jeffrey J. McDonnell ISBN: 0608042781 Publisher: Books on Demand Pub. Date: December, 1996 List Price: $54.80 Amazon.com Price: $54.80 |