Mammals of the Mid-Atlantic States Tracks, Scats and Signs A Guide to Identification in the WildJames C Halfpenny · First published 2017Open the Tome
Scats and tracks of Alaska, including the Yukon and British ColumbiaJames C. Halfpenny · First published 2007Open the Tome
Field Guide to Scats and Tracks of the Rocky MountainsJames C. Halfpenny · First published 2001Open the Tome
Scats and tracks of the Pacific Coast, including British ColumbiaJames C. Halfpenny · First published 1999Open the Tome
A field guide to mammal tracking in North AmericaJames C. Halfpenny · First published 1986Open the Tome
Bibliography of alpine and subalpine areas of the Front Range, ColoradoJames C. Halfpenny · First published 1986Open the Tome
