(1) David T. Mason, Forestry Advocate Elmo Richardson ISBN: 9780890300442 Duke University Press View at publisher
(2) Forest History Museums of the World Kathryn A. Fahl ISBN: 9780822302650 Duke University Press View at publisher
(3) Notes from the North Country O. B. Eustis ISBN: 9780472063468 University of Michigan Press View at publisher
(4) To Quench Our Thirst: The Present and Future Status of Freshwater Resources of the United States David A. Francko & Robert G. Wetzel ISBN: 9780472080373 University of Michigan Press View at publisher
(5) Past Climates: Tree Thermometers, Commodities, and People Leona Marshall Libby ISBN: 9780292741294 University of Texas Press View at publisher