Ecology and Management of Terrestrial Vertebrate Invasive Species in the United StatesWilliam C. Pitt, James Beasley, Gary W. Witmer · First published 2017Open the Tome
Managing vertebrate invasive speciesGary William Witmer, William C. Pitt, Kathleen A. Fagerstone · First published 2007Open the Tome
Forest carnivore conservation and management in the interior Columbia basinGary William Witmer · First published 1998Open the Tome
Roosevelt elk habitat use in the Oregon Coast RangeGary William Witmer · First published 1981Open the Tome
