- Physical geographyTom L. McKnight, Darrel Hess
- Mcknight's physical geographyDarrel Hess, Dennis G. Tasa
- Physical geography : a landscape appreciationTom L. McKnight, Darrel Hess et al.
- Laboratory manual in physical geologyDennis G. Tasa, Darrel Hess
- Physical Geography Laboratory ManualDarrel Hess
- Physical geography, a landscape appreciation, fifth edition, Tom L. McKnightDarrel Hess
- Study Guide for Mcknight's Physical GeographyDarrel Hess, Dennis Tasa
